JEE Chemistry 150 MCQS
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JEE Chemistry 150 MCQs – Practice Essential Multiple Choice Questions for JEE Preparation
Boost your JEE Chemistry preparation with our comprehensive set of 150 MCQs designed specifically for the Joint Entrance Examination (JEE). Covering important topics from Physical, Organic, and Inorganic Chemistry, these carefully curated multiple-choice questions help you test your knowledge, improve problem-solving speed, and ace your JEE exams. Whether you’re a beginner or looking for last-minute revision, our JEE Chemistry 150 MCQs are the perfect resource for cracking JEE Main and Advanced. Start practicing now and strengthen your Chemistry concepts with expert-level questions!
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It looks like you typed "cotinew" — did you mean continue? If so, I can definitely continue writing the full set of 150 JEE Chemistry MCQs for you. Just to confirm, do you want:
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The complete 150 MCQs all listed here?
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Or the rest broken down by Physical, Inorganic, Organic sections?
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Also, do you want the answers included or just questions?
Let me know how you want me to proceed!
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Got it, you want me to continue the list! I'll keep going with more JEE Chemistry MCQs right here. I'll add more questions from each section to get closer to 150.
JEE Chemistry MCQs: Physical Chemistry (Continued)
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For the reaction 2NO₂ ⇌ N₂O₄, the equilibrium constant Kp increases with decrease in temperature. The reaction is:
a) Exothermic
b) Endothermic
c) Neither
d) Cannot be determined -
Which of the following elements has the highest first ionization energy?
a) Na
b) Mg
c) Al
d) Ne -
The pH of a 0.001 M solution of HCl is:
a) 3
b) 4
c) 1
d) 2 -
The rate constant of a reaction is doubled when temperature is raised from 300 K to 310 K. Calculate the activation energy (approximate) (R = 8.314 J/mol·K).
a) 50 kJ/mol
b) 40 kJ/mol
c) 60 kJ/mol
d) 30 kJ/mol -
Which of the following salts will hydrolyze in water to give acidic solution?
a) NaCl
b) NH₄Cl
c) KNO₃
d) NaNO₃ -
The electronic configuration of the O₂ molecule is:
a) (σ2s)² (σ2s)² (σ2p)² (Ï€2p)⁴ (Ï€2p)²
b) (σ2s)² (σ2s)² (σ2p)² (Ï€2p)⁴
c) (σ2s)² (σ2s)² (σ2p)² (Ï€2p)⁴ (Ï€2p)⁴
d) (σ2s)² (σ2s)² (σ2p)² (Ï€2p)⁴ (Ï€*2p)⁰ -
Which order of reaction has constant half-life?
a) Zero order
b) First order
c) Second order
d) Third order -
Colligative properties depend on:
a) Number of particles
b) Type of particles
c) Mass of particles
d) Charge on particles -
The van der Waals equation corrects which law?
a) Boyle's Law
b) Charles' Law
c) Ideal Gas Law
d) Avogadro's Law -
The wavelength of light used to promote an electron from n=1 to n=2 in hydrogen atom lies in:
a) Infrared region
b) Visible region
c) Ultraviolet region
d) Microwave region
JEE Chemistry MCQs: Inorganic Chemistry (Continued)
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Which element has the largest atomic radius?
a) F
b) Cl
c) Br
d) I -
The oxidation state of Fe in Fe₃O₄ is:
a) +2 and +3
b) +3 only
c) +2 only
d) +1 and +3 -
The compound that exhibits hydrogen bonding is:
a) CH₄
b) NH₃
c) CO₂
d) HCl -
The acidic strength order of the following oxides is:
a) SO₃ > CO₂ > NO₂
b) CO₂ > SO₃ > NO₂
c) NO₂ > SO₃ > CO₂
d) SO₃ > NO₂ > CO₂ -
Which of the following is a strong reducing agent?
a) KMnO₄
b) KI
c) K₂Cr₂O₇
d) H₂O₂ -
The color of permanganate ion (MnO₄⁻) in acidic solution is:
a) Green
b) Purple
c) Yellow
d) Colorless -
The group number and period of element with configuration [Ar] 3d¹ 4s² are:
a) Group 3, Period 4
b) Group 4, Period 3
c) Group 2, Period 4
d) Group 1, Period 4 -
The coordination compound [Co(NH₃)₆]³⁺ is:
a) Paramagnetic
b) Diamagnetic
c) Ferromagnetic
d) Antiferromagnetic -
The shape of BF₃ molecule is:
a) Tetrahedral
b) Trigonal planar
c) Linear
d) Bent -
Which element shows catenation most prominently?
a) Nitrogen
b) Phosphorus
c) Carbon
d) Sulfur
JEE Chemistry MCQs: Organic Chemistry (Continued)
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The product formed by the reaction of benzene with Br₂ in presence of FeBr₃ is:
a) Bromobenzene
b) Phenol
c) Benzyl bromide
d) None of the above -
Which reagent is used for reduction of nitrobenzene to aniline?
a) Sn and HCl
b) H₂ and Pd
c) Zn and HCl
d) All of the above -
Which of the following compounds has the highest boiling point?
a) Ethane
b) Ethanol
c) Ethanal
d) Ethylene -
The IUPAC name of CH₃-COOH is:
a) Methanoic acid
b) Ethanoic acid
c) Propanoic acid
d) Acetaldehyde -
The functional group in acetone is:
a) Alcohol
b) Ketone
c) Aldehyde
d) Ester -
The reaction of an alkene with KMnO₄ (cold and dilute) is called:
a) Oxidation
b) Reduction
c) Hydrolysis
d) Dehydration -
The IUPAC name of CH₃CH₂CH₂OH is:
a) Propanol
b) Propan-2-ol
c) Propan-1-ol
d) Propanal -
Which compound will show the highest reactivity in SN1 reaction?
a) Methyl chloride
b) Primary alkyl chloride
c) Secondary alkyl chloride
d) Tertiary alkyl chloride -
The reagent used for the preparation of alkynes from vicinal dihalides is:
a) Zn/acid
b) KOH/ethanol (hot)
c) KOH/ethanol (cold)
d) H₂/Pd -
Which of the following is a primary amine?
a) CH₃-NH₂
b) (CH₃)₂NH
c) (CH₃)₃N
d) NH₃
If you'd like, I can continue with the rest to complete 150 questions or provide detailed solutions for these! Would you prefer that?
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Continuing with more JEE Chemistry MCQs to get you closer to the full set of 150! Here’s the next batch:
JEE Chemistry MCQs: Physical Chemistry (Continued)
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The entropy change (ΔS) for the reaction:
N₂(g) + 3H₂(g) → 2NH₃(g) is:
a) Positive
b) Negative
c) Zero
d) Cannot be determined -
The correct order of ionic radii is:
a) Na⁺ > Mg²⁺ > Al³⁺
b) Al³⁺ > Mg²⁺ > Na⁺
c) Mg²⁺ > Na⁺ > Al³⁺
d) Na⁺ > Al³⁺ > Mg²⁺ -
Which of the following shows zero order kinetics?
a) Radioactive decay
b) Enzyme catalyzed reaction (at high substrate conc.)
c) Hydrolysis of ester in acid
d) All of these -
In a galvanic cell, the cathode is:
a) Site of oxidation
b) Site of reduction
c) Both oxidation and reduction
d) Neither -
The unit of rate constant of a second order reaction is:
a) s⁻¹
b) mol L⁻¹ s⁻¹
c) L mol⁻¹ s⁻¹
d) mol² L⁻² s⁻¹
JEE Chemistry MCQs: Inorganic Chemistry (Continued)
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Which of the following oxides is basic in nature?
a) SO₂
b) Na₂O
c) CO₂
d) P₄O₁₀ -
Which of these elements has the highest electronegativity?
a) Oxygen
b) Nitrogen
c) Fluorine
d) Chlorine -
The mineral bauxite primarily contains:
a) Fe₂O₃
b) Al₂O₃·2H₂O
c) CaCO₃
d) SiO₂ -
Which of the following is a transition metal?
a) Zn
b) Sc
c) Ga
d) Ge -
The number of unpaired electrons in the Mn²⁺ ion is:
a) 3
b) 4
c) 5
d) 6
JEE Chemistry MCQs: Organic Chemistry (Continued)
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Which of the following is an aromatic compound?
a) Cyclohexane
b) Benzene
c) Cyclobutane
d) Cyclooctane -
The reagent used to convert an alkyl halide to an alkene is:
a) NaOH (aq)
b) KOH (alc)
c) Zn/acid
d) H₂/Pt -
Which type of isomerism is shown by butanol isomers?
a) Chain and functional group isomerism
b) Optical isomerism only
c) Geometrical isomerism only
d) Position isomerism only -
The major product formed in the reaction of 2-methylpropene with Br₂ is:
a) 2-bromo-2-methylpropane
b) 1-bromo-2-methylpropane
c) 2-bromo-1-methylpropane
d) 1-bromo-1-methylpropane -
Which compound is used as a monomer for making nylon?
a) Ethylene
b) Caprolactam
c) Styrene
d) Terephthalic acid
If you want, I can keep going till 150! Just say the word. Would you prefer the answers along with these?
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Got it! Continuing right away with more JEE Chemistry MCQs:
JEE Chemistry MCQs: Physical Chemistry (Continued)
-
The enthalpy change for the formation of water from hydrogen and oxygen is:
a) Positive
b) Negative
c) Zero
d) Cannot be determined -
The atomic radius decreases across a period due to:
a) Increase in nuclear charge
b) Increase in shielding effect
c) Decrease in nuclear charge
d) None of these -
Which of the following gases will effuse fastest according to Graham’s law?
a) O₂
b) N₂
c) H₂
d) CO₂ -
Which of the following is true for an ideal solution?
a) Enthalpy of mixing is zero
b) Volume of mixing is zero
c) Both enthalpy and volume of mixing are zero
d) None of these -
The correct order of boiling points of hydrides of group 16 elements is:
a) H₂O > H₂S > H₂Se > H₂Te
b) H₂S > H₂O > H₂Se > H₂Te
c) H₂O > H₂Se > H₂S > H₂Te
d) H₂Te > H₂Se > H₂S > H₂O
JEE Chemistry MCQs: Inorganic Chemistry (Continued)
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The ligand which forms the strongest bond with metal ions is:
a) NH₃
b) H₂O
c) CN⁻
d) Cl⁻ -
The number of isomers possible for the complex [Co(NH₃)₄Cl₂]⁺ is:
a) 2
b) 3
c) 4
d) 1 -
The hybridization of central atom in [Ni(CN)₄]²⁻ is:
a) sp³
b) dsp²
c) d²sp³
d) sp² -
Which of the following is an example of a bidentate ligand?
a) NH₃
b) H₂O
c) Ethylenediamine (en)
d) Cl⁻ -
Which element is the most abundant in the earth's crust?
a) Iron
b) Oxygen
c) Silicon
d) Aluminum
JEE Chemistry MCQs: Organic Chemistry (Continued)
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The major product of the reaction of benzene with concentrated HNO₃ and H₂SO₄ is:
a) Nitrobenzene
b) Aniline
c) Phenol
d) Benzyl alcohol -
The reagent used for the oxidation of primary alcohol to aldehyde without further oxidation is:
a) KMnO₄
b) PCC
c) NaBH₄
d) LiAlH₄ -
Which compound shows cis-trans isomerism?
a) Butane
b) But-2-ene
c) Propane
d) Methane -
The reaction of alkyl halides with KCN gives:
a) Alcohol
b) Nitrile
c) Alkane
d) Alkene -
Which of the following is a polymer?
a) Nylon
b) Sucrose
c) Glucose
d) Methane
I’ll keep going till 150 unless you want to pause or add answers! Just say “continue” or ask anything else.
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Sure! Continuing with the next set of JEE Chemistry MCQs:
JEE Chemistry MCQs: Physical Chemistry (Continued)
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The molecularity of the reaction A + B → Products is:
a) One
b) Two
c) Three
d) Zero -
The temperature at which the vapor pressure of a liquid equals the external pressure is called:
a) Boiling point
b) Melting point
c) Critical point
d) Triple point -
The degree of dissociation (α) of a weak electrolyte increases with:
a) Increase in concentration
b) Decrease in concentration
c) Increase in temperature only
d) Decrease in temperature only -
Which of the following has the highest lattice energy?
a) NaCl
b) KCl
c) MgCl₂
d) CaCl₂ -
The value of the gas constant R in J mol⁻¹ K⁻¹ is approximately:
a) 8.314
b) 0.0821
c) 62.4
d) 1.987
JEE Chemistry MCQs: Inorganic Chemistry (Continued)
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Which of the following elements is a metalloid?
a) Aluminum
b) Silicon
c) Phosphorus
d) Sulfur -
The compound NH₄NO₃ is an example of:
a) Salt
b) Acid-base neutralization product
c) Double salt
d) Complex salt -
Which of the following is the reducing agent in the reaction: Fe₂O₃ + 3CO → 2Fe + 3CO₂?
a) Fe₂O₃
b) CO
c) Fe
d) CO₂ -
The common oxidation state of lanthanides is:
a) +2
b) +3
c) +4
d) +1 -
Which halogen is the strongest oxidizing agent?
a) Fluorine
b) Chlorine
c) Bromine
d) Iodine
JEE Chemistry MCQs: Organic Chemistry (Continued)
-
The simplest alkyne is:
a) Ethyne
b) Ethene
c) Methane
d) Propane -
Which of the following is an example of an aldehyde?
a) Acetone
b) Formaldehyde
c) Ethanol
d) Acetic acid -
The IUPAC name of the compound CH₃–CH₂–Br is:
a) Ethyl bromide
b) Bromoethane
c) Both a and b
d) None of these -
The process of converting an alkene to an alkane is called:
a) Hydrogenation
b) Halogenation
c) Hydrohalogenation
d) Hydration -
Which compound will show both optical and geometrical isomerism?
a) 2-Butene
b) 2-Bromo-3-methylpentane
c) Propene
d) Ethanol
Let me know if you want me to proceed further with the rest or add explanations!
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Sure! Continuing with the next batch of JEE Chemistry MCQs:
JEE Chemistry MCQs: Physical Chemistry (Continued)
-
The half-life of a first order reaction is:
a) Dependent on initial concentration
b) Independent of initial concentration
c) Proportional to the initial concentration
d) Proportional to the square of the initial concentration -
Which of the following gases is used as a standard for measuring relative molecular masses by mass spectrometry?
a) O₂
b) N₂
c) Ne
d) Ar -
The number of molecules in 1 mole of a substance is:
a) Avogadro’s number
b) Planck’s constant
c) Boltzmann constant
d) Faraday’s constant -
The Van’t Hoff factor (i) for Na₂SO₄ in aqueous solution is:
a) 1
b) 2
c) 3
d) 4 -
The entropy of a perfect crystal at absolute zero is:
a) Zero
b) Maximum
c) Infinite
d) Undefined
JEE Chemistry MCQs: Inorganic Chemistry (Continued)
-
The color of aqueous Cu²⁺ ion is:
a) Blue
b) Green
c) Yellow
d) Colorless -
Which of the following elements forms the most stable halide?
a) Fluorine
b) Chlorine
c) Bromine
d) Iodine -
The lanthanide contraction is due to:
a) Poor shielding by f-electrons
b) Poor shielding by d-electrons
c) Increase in nuclear charge
d) Decrease in atomic number -
The coordination number of metal in [Fe(CN)₆]³⁻ is:
a) 4
b) 6
c) 2
d) 8 -
The electronic configuration of Cr (Z=24) is:
a) [Ar] 3d⁴ 4s²
b) [Ar] 3d⁵ 4s¹
c) [Ar] 3d³ 4s³
d) [Ar] 3d⁶ 4s⁰
JEE Chemistry MCQs: Organic Chemistry (Continued)
-
The product formed when benzene undergoes Friedel-Crafts alkylation with methyl chloride is:
a) Toluene
b) Benzyl chloride
c) Methylbenzene
d) Both a and c -
The reagent used for the oxidation of secondary alcohol to ketone is:
a) PCC
b) KMnO₄
c) NaBH₄
d) LiAlH₄ -
The type of isomerism shown by C₄H₈ is:
a) Chain isomerism
b) Geometrical isomerism
c) Both a and b
d) Functional group isomerism -
The functional group present in an ester is:
a) –OH
b) –CO–
c) –COO–
d) –CHO -
The simplest aromatic hydrocarbon is:
a) Benzene
b) Toluene
c) Naphthalene
d) Anthracene
Ready for the final stretch? Let me know to continue with 121–150 or if you want answers/explanations!
You said:
ChatGPT said:
Absolutely! Finishing strong with the last set of JEE Chemistry MCQs to complete 150:
JEE Chemistry MCQs: Physical Chemistry (Continued)
-
The colligative property that depends on the lowering of vapor pressure is:
a) Boiling point elevation
b) Freezing point depression
c) Vapor pressure lowering
d) Osmotic pressure -
The standard electrode potential for hydrogen electrode is:
a) 0 V
b) +1 V
c) -1 V
d) 0.5 V -
The rate of a zero-order reaction is:
a) Independent of concentration
b) Directly proportional to concentration
c) Inversely proportional to concentration
d) Proportional to square of concentration -
The energy required to remove an electron from the gaseous atom or ion is called:
a) Electron affinity
b) Ionization energy
c) Electronegativity
d) Atomic radius -
Which of the following factors does NOT affect reaction rate?
a) Temperature
b) Concentration
c) Catalyst
d) Molecular weight
JEE Chemistry MCQs: Inorganic Chemistry (Continued)
-
The noble gas configuration is achieved by which ion?
a) Na⁺
b) Mg²⁺
c) Cl⁻
d) All of the above -
The most abundant metal in the earth’s crust is:
a) Iron
b) Aluminum
c) Calcium
d) Silicon -
The process of converting metal oxide to metal is called:
a) Electrolysis
b) Smelting
c) Calcination
d) Roasting -
Which element is used as a semiconductor?
a) Silicon
b) Aluminum
c) Copper
d) Iron -
The most stable oxidation state of copper in aqueous solution is:
a) +1
b) +2
c) +3
d) 0
JEE Chemistry MCQs: Organic Chemistry (Continued)
-
The reagent used to prepare Grignard reagent is:
a) Mg in dry ether
b) Zn in HCl
c) Na in NH₃
d) LiAlH₄ -
The major product formed on hydration of ethene is:
a) Ethanol
b) Ethanal
c) Ethane
d) Ethyne -
Which of the following compounds has the highest boiling point?
a) Ethane
b) Ethanol
c) Ethene
d) Ethanal -
The polymer formed from ethene is:
a) Polyethylene
b) Polypropylene
c) Polystyrene
d) Polyvinyl chloride -
The functional group in acetaldehyde is:
a) Alcohol
b) Aldehyde
c) Ketone
d) Carboxylic acid
Final 15 JEE Chemistry MCQs
-
The hybridization of carbon in methane (CH₄) is:
a) sp
b) sp²
c) sp³
d) dsp² -
Which of the following shows optical isomerism?
a) Butane
b) 2-Butanol
c) Ethane
d) Propene -
The major product in the reaction between benzene and SO₃/H₂SO₄ is:
a) Nitrobenzene
b) Phenol
c) Benzenesulfonic acid
d) Bromobenzene -
The boiling point of water is higher than hydrogen sulfide due to:
a) Hydrogen bonding
b) Dipole-dipole interaction
c) Dispersion forces
d) Ionic bonding -
The molecular formula of glucose is:
a) C₆H₁₂O₆
b) C₆H₁₀O₅
c) C₆H₁₂O₅
d) C₆H₁₄O₆ -
The main product formed when 2-methylpropene reacts with HBr is:
a) 2-bromo-2-methylpropane
b) 1-bromo-2-methylpropane
c) 2-bromo-1-methylpropane
d) 1-bromo-1-methylpropane -
The principle behind the separation of components in chromatography is:
a) Difference in solubility
b) Difference in boiling points
c) Difference in migration rate
d) Difference in melting points -
Which of the following is not a colligative property?
a) Vapor pressure lowering
b) Boiling point elevation
c) Viscosity
d) Freezing point depression -
The empirical formula of benzene is:
a) C₆H₆
b) CH
c) C₃H₃
d) C₂H₂ -
Which of the following is an example of an electrophile?
a) OH⁻
b) H⁺
c) Br⁻
d) NH₃ -
The functional group in an aldehyde is:
a) –COOH
b) –CHO
c) –OH
d) –CN -
The molecular geometry of ammonia (NH₃) is:
a) Linear
b) Trigonal planar
c) Tetrahedral
d) Trigonal pyramidal -
The boiling point of a substance is the temperature at which:
a) Vapor pressure equals atmospheric pressure
b) Vapor pressure is zero
c) Solid turns into liquid
d) None of these -
Which one is the correct IUPAC name of CH₃–CH₂–COOH?
a) Propanoic acid
b) Ethanoic acid
c) Methanoic acid
d) Propanal -
The conjugate base of H₂SO₄ is:
a) SO₄²⁻
b) HSO₄⁻
c) H₂SO₃
d) SO₂
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