Q. Which of the following factors does NOT affect the position of equilibrium? (2023) 2023
A.
Concentration of reactants
B.
Temperature
C.
Pressure
D.
Presence of a catalyst
Show solution
Solution
A catalyst speeds up the rate of reaching equilibrium but does not affect the position of equilibrium itself.
Correct Answer:
D
— Presence of a catalyst
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Q. Which of the following factors does NOT affect the rate of a chemical reaction? (2021) 2021
A.
Concentration of reactants
B.
Temperature
C.
Presence of a catalyst
D.
Color of the reactants
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Solution
The color of the reactants does not affect the rate of a chemical reaction. The other factors directly influence the reaction rate.
Correct Answer:
D
— Color of the reactants
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Q. Which of the following haloalkanes is expected to be the most reactive in nucleophilic substitution reactions? (2023)
A.
Chloroethane
B.
Bromoethane
C.
Iodoethane
D.
Fluoroethane
Show solution
Solution
Iodoethane is the most reactive due to the weaker C-I bond compared to C-Br, C-Cl, and C-F bonds.
Correct Answer:
C
— Iodoethane
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Q. Which of the following has the highest bond energy? (2023)
A.
C-H
B.
C-C
C.
C=N
D.
C≡C
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Solution
C≡C (triple bond) has the highest bond energy due to the strong attraction between the two carbon atoms.
Correct Answer:
D
— C≡C
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Q. Which of the following has the highest ionization energy? (2020) 2020
Show solution
Solution
Lithium (Li) has the highest ionization energy among the given options.
Correct Answer:
A
— Li
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Q. Which of the following has the lowest boiling point? (2023)
A.
H2O
B.
NH3
C.
CH4
D.
HF
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Solution
CH4 (methane) has the lowest boiling point due to weak London dispersion forces compared to the other molecules.
Correct Answer:
C
— CH4
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Q. Which of the following hydrocarbons is saturated?
A.
C2H2
B.
C3H6
C.
C4H10
D.
C5H8
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Solution
C4H10 (butane) is a saturated hydrocarbon, containing only single bonds.
Correct Answer:
C
— C4H10
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Q. Which of the following ions has a d5 configuration?
A.
Mn2+
B.
Fe3+
C.
Cr3+
D.
V4+
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Solution
Mn2+ has a d5 configuration as it loses two electrons from its 4s and 3d orbitals.
Correct Answer:
A
— Mn2+
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Q. Which of the following ions has a stable octet? (2023)
A.
Na+
B.
Cl-
C.
Mg2+
D.
All of the above
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Solution
All of the ions Na+, Cl-, and Mg2+ have achieved a stable octet configuration.
Correct Answer:
D
— All of the above
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Q. Which of the following is a bidentate ligand? (2020) 2020
A.
NH3
B.
EDTA
C.
Cl-
D.
H2O
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Solution
EDTA can form multiple bonds with a metal ion, making it a bidentate ligand as it can attach at two sites.
Correct Answer:
B
— EDTA
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Q. Which of the following is a carbohydrate? (2023) 2023
A.
Glucose
B.
Amino acid
C.
Fatty acid
D.
Nucleotide
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Solution
Glucose is a simple sugar and a primary carbohydrate.
Correct Answer:
A
— Glucose
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Q. Which of the following is a carboxylic acid?
A.
C2H5OH
B.
C3H6O
C.
C2H4O2
D.
C3H8
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Solution
C2H4O2 (Acetic acid) is a carboxylic acid.
Correct Answer:
C
— C2H4O2
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Q. Which of the following is a characteristic of adsorption? (2023)
A.
It is a bulk phenomenon.
B.
It is a surface phenomenon.
C.
It occurs at high temperatures only.
D.
It is always exothermic.
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Solution
Adsorption is a surface phenomenon, as it occurs at the interface between phases.
Correct Answer:
B
— It is a surface phenomenon.
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Q. Which of the following is a characteristic of elastomers?
A.
Brittle
B.
Rigid
C.
Elastic
D.
Conductive
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Solution
Elastomers are known for their elastic properties, allowing them to stretch and return to their original shape.
Correct Answer:
C
— Elastic
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Q. Which of the following is a characteristic of unsaturated hydrocarbons?
A.
Only single bonds
B.
Contains double or triple bonds
C.
Higher boiling points
D.
Less reactive
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Solution
Unsaturated hydrocarbons contain double or triple bonds, making them more reactive than saturated hydrocarbons.
Correct Answer:
B
— Contains double or triple bonds
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Q. Which of the following is a characteristic reaction of phenols? (2021) 2021
A.
Esterification
B.
Nitration
C.
Halogenation
D.
Hydrogenation
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Solution
Phenols undergo halogenation readily due to the electron-donating effect of the hydroxyl group.
Correct Answer:
C
— Halogenation
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Q. Which of the following is a common use of ketones?
A.
Solvents
B.
Preservatives
C.
Fragrances
D.
All of the above
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Solution
Ketones are commonly used as solvents, preservatives, and fragrances.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common use of PVC?
A.
Clothing
B.
Pipes
C.
Food packaging
D.
Adhesives
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Solution
PVC (Polyvinyl Chloride) is commonly used in the production of pipes due to its durability and resistance to corrosion.
Correct Answer:
B
— Pipes
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Q. Which of the following is a common use of transition metals?
A.
Insulators
B.
Catalysts
C.
Noble gases
D.
Non-metals
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Solution
Transition metals are commonly used as catalysts in various chemical reactions.
Correct Answer:
B
— Catalysts
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Q. Which of the following is a lanthanide series element?
A.
Yttrium
B.
Neodymium
C.
Zirconium
D.
Ruthenium
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Solution
Neodymium (Nd) is a member of the lanthanide series.
Correct Answer:
B
— Neodymium
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Q. Which of the following is a lipid? (2023) 2023
A.
Starch
B.
Cholesterol
C.
Cellulose
D.
Glucose
Show solution
Solution
Cholesterol is a type of lipid that is important for cell membrane structure.
Correct Answer:
B
— Cholesterol
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Q. Which of the following is a polymer of glucose? (2015)
A.
Starch
B.
Glycogen
C.
Cellulose
D.
All of the above
Show solution
Solution
Starch, glycogen, and cellulose are all polymers made from glucose.
Correct Answer:
D
— All of the above
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Q. Which of the following is a primary alcohol? (2020) 2020
A.
2-Propanol
B.
1-Butanol
C.
Cyclohexanol
D.
2-Pentanol
Show solution
Solution
1-Butanol has the hydroxyl group (-OH) attached to a primary carbon, making it a primary alcohol.
Correct Answer:
B
— 1-Butanol
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Q. Which of the following is a primary alcohol? (2022) 2022
A.
1-butanol
B.
2-butanol
C.
tert-butanol
D.
cyclohexanol
Show solution
Solution
1-butanol has the hydroxyl group (-OH) attached to a primary carbon atom, making it a primary alcohol.
Correct Answer:
A
— 1-butanol
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Q. Which of the following is a primary amine? (2022) 2022
A.
Ethylamine
B.
Dimethylamine
C.
Trimethylamine
D.
Aniline
Show solution
Solution
Ethylamine (C2H5NH2) is a primary amine as it has one alkyl group attached to the nitrogen atom.
Correct Answer:
A
— Ethylamine
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Q. Which of the following is a primary cell? (2023) 2023
A.
Lead-acid battery
B.
Nickel-cadmium battery
C.
Zinc-carbon battery
D.
Lithium-ion battery
Show solution
Solution
The zinc-carbon battery is a type of primary cell, which cannot be recharged.
Correct Answer:
C
— Zinc-carbon battery
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Q. Which of the following is a property of halogens? (2021) 2021
A.
They are all metals
B.
They have low electronegativity
C.
They form diatomic molecules
D.
They are colorless gases
Show solution
Solution
Halogens exist as diatomic molecules (e.g., Cl2, F2).
Correct Answer:
C
— They form diatomic molecules
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Q. Which of the following is a reducing agent in the reaction 2MnO4- + 5C2O4^2- + 16H+ → 2Mn^2+ + 10CO2 + 8H2O? (2020)
A.
MnO4-
B.
C2O4^2-
C.
H+
D.
CO2
Show solution
Solution
C2O4^2- (oxalate ion) is oxidized to CO2, thus it acts as a reducing agent in this reaction.
Correct Answer:
B
— C2O4^2-
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Q. Which of the following is a saturated carboxylic acid?
A.
Hexanoic acid
B.
Hexenoic acid
C.
Cyclohexanoic acid
D.
Benzoic acid
Show solution
Solution
Hexanoic acid is a saturated carboxylic acid.
Correct Answer:
A
— Hexanoic acid
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Q. Which of the following is a saturated fatty acid?
A.
Oleic acid
B.
Stearic acid
C.
Linoleic acid
D.
Palmitoleic acid
Show solution
Solution
Stearic acid is a saturated fatty acid, meaning it has no double bonds between carbon atoms.
Correct Answer:
B
— Stearic acid
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Showing 541 to 570 of 648 (22 Pages)
Chemistry (MHT-CET) MCQ & Objective Questions
Chemistry is a crucial subject for students preparing for the MHT-CET exam, as it forms a significant part of the syllabus. Mastering Chemistry through practice questions and MCQs not only enhances your understanding but also boosts your confidence for the exam. Engaging with objective questions helps identify important concepts and improves your problem-solving skills, making it easier to score better in your exams.
What You Will Practise Here
Basic concepts of Chemistry: Atoms, Molecules, and Stoichiometry
Periodic Table: Trends and properties of elements
Chemical Bonding: Types of bonds and molecular geometry
Thermodynamics: Laws and applications in chemical reactions
Equilibrium: Concepts of chemical and ionic equilibrium
Organic Chemistry: Functional groups and reaction mechanisms
Environmental Chemistry: Impact of chemicals on the environment
Exam Relevance
Chemistry is a vital component in various examinations such as CBSE, State Boards, NEET, and JEE. In these exams, questions often focus on conceptual understanding and application of theories. Common patterns include multiple-choice questions that test your knowledge of definitions, formulas, and the ability to solve numerical problems. Familiarity with these patterns through practice can significantly enhance your performance.
Common Mistakes Students Make
Misunderstanding the periodic trends and their implications
Confusing different types of chemical bonds and their properties
Overlooking the significance of units in thermodynamic calculations
Neglecting to balance chemical equations correctly
Struggling with organic reaction mechanisms due to lack of practice
FAQs
Question: What are the best ways to prepare for Chemistry (MHT-CET) MCQs?Answer: Regular practice of MCQs, understanding key concepts, and revising important formulas are essential for effective preparation.
Question: How can I improve my speed in solving Chemistry objective questions?Answer: Time yourself while practicing and focus on solving questions efficiently to improve your speed.
Don't wait any longer! Start solving practice MCQs today to test your understanding and solidify your knowledge in Chemistry. Your success in the MHT-CET exam is just a few practice questions away!