Q. What is the volume of 1 mole of an ideal gas at STP? (2019) 2019
A.
22.4 L
B.
24 L
C.
1 L
D.
10 L
Show solution
Solution
At STP, 1 mole of an ideal gas occupies 22.4 liters.
Correct Answer:
A
— 22.4 L
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Q. What is the volume of a 2 M NaOH solution needed to obtain 4 moles of NaOH? (2021) 2021
A.
2 L
B.
1 L
C.
0.5 L
D.
4 L
Show solution
Solution
Volume (L) = moles / molarity = 4 moles / 2 M = 2 L.
Correct Answer:
A
— 2 L
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Q. What is the work done by an ideal gas during an isothermal expansion from volume V1 to V2 at temperature T? (2021)
A.
nRT ln(V2/V1)
B.
nRT (V2 - V1)
C.
PV
D.
0
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Solution
The work done during an isothermal expansion is given by W = nRT ln(V2/V1).
Correct Answer:
A
— nRT ln(V2/V1)
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Q. What is the work done by an ideal gas during isothermal expansion? (2021)
A.
0
B.
nRT ln(Vf/Vi)
C.
nRT (Vf - Vi)
D.
nR (Tf - Ti)
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Solution
For an ideal gas undergoing isothermal expansion, the work done is given by W = nRT ln(Vf/Vi).
Correct Answer:
B
— nRT ln(Vf/Vi)
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Q. What type of adsorption is characterized by the formation of a chemical bond? (2019)
A.
Physisorption
B.
Chemisorption
C.
Desorption
D.
Multilayer adsorption
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Solution
Chemisorption is characterized by the formation of a chemical bond between the adsorbate and the surface.
Correct Answer:
B
— Chemisorption
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Q. What type of biomolecule is RNA? (2014)
A.
Protein
B.
Carbohydrate
C.
Nucleic Acid
D.
Lipid
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Solution
RNA is classified as a nucleic acid, which plays a crucial role in protein synthesis.
Correct Answer:
C
— Nucleic Acid
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Q. What type of bond is formed between sodium (Na) and chlorine (Cl) in NaCl? (2019)
A.
Covalent bond
B.
Ionic bond
C.
Metallic bond
D.
Hydrogen bond
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Solution
NaCl is formed by the transfer of an electron from sodium to chlorine, resulting in an ionic bond.
Correct Answer:
B
— Ionic bond
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Q. What type of bond is formed when two atoms share electrons? (2023)
A.
Ionic bond
B.
Covalent bond
C.
Metallic bond
D.
Hydrogen bond
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Solution
A covalent bond is formed when two atoms share electrons to achieve stability.
Correct Answer:
B
— Covalent bond
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Q. What type of bond is formed when two atoms share electrons? (2023) 2023
A.
Ionic bond
B.
Covalent bond
C.
Metallic bond
D.
Hydrogen bond
Show solution
Solution
A covalent bond is formed when two atoms share electrons to achieve stability.
Correct Answer:
B
— Covalent bond
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Q. What type of bond is present in a carbon-carbon double bond?
A.
Single bond
B.
Double bond
C.
Triple bond
D.
Quadruple bond
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Solution
A carbon-carbon double bond consists of one sigma bond and one pi bond, making it a double bond.
Correct Answer:
B
— Double bond
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Q. What type of bond is present in alkenes?
A.
Single bond
B.
Double bond
C.
Triple bond
D.
Quadruple bond
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Solution
Alkenes contain at least one double bond between carbon atoms.
Correct Answer:
B
— Double bond
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Q. What type of bond is present in O2? (2022)
A.
Single bond
B.
Double bond
C.
Triple bond
D.
Quadruple bond
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Solution
O2 has a double bond, as two pairs of electrons are shared between the two oxygen atoms.
Correct Answer:
B
— Double bond
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Q. What type of bond is primarily responsible for the strength of polymers?
A.
Ionic bond
B.
Covalent bond
C.
Hydrogen bond
D.
Metallic bond
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Solution
Covalent bonds are primarily responsible for the strength and stability of polymer chains.
Correct Answer:
B
— Covalent bond
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Q. What type of bond is primarily responsible for the structure of polymers?
A.
Ionic bond
B.
Covalent bond
C.
Hydrogen bond
D.
Metallic bond
Show solution
Solution
Covalent bonds are primarily responsible for the structure of polymers, linking monomers together.
Correct Answer:
B
— Covalent bond
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Q. What type of bond links amino acids together in a protein? (2023) 2023
A.
Ionic bond
B.
Covalent bond
C.
Hydrogen bond
D.
Peptide bond
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Solution
A peptide bond is a specific type of covalent bond that links amino acids together in proteins.
Correct Answer:
D
— Peptide bond
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Q. What type of intermolecular force is present in liquid water? (2021)
A.
London dispersion forces
B.
Dipole-dipole interactions
C.
Hydrogen bonding
D.
Ionic interactions
Show solution
Solution
Liquid water exhibits hydrogen bonding due to the attraction between the hydrogen atoms of one water molecule and the oxygen atom of another.
Correct Answer:
C
— Hydrogen bonding
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Q. What type of mechanism is involved in the reaction of haloalkanes with strong nucleophiles? (2020)
A.
SN1
B.
SN2
C.
E1
D.
E2
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Solution
The reaction of haloalkanes with strong nucleophiles typically follows the SN2 mechanism, which involves a single concerted step.
Correct Answer:
B
— SN2
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Q. What type of mechanism is involved in the reaction of tertiary haloalkanes with nucleophiles? (2020)
A.
SN1
B.
SN2
C.
E1
D.
E2
Show solution
Solution
Tertiary haloalkanes typically undergo the SN1 mechanism, which involves the formation of a carbocation intermediate.
Correct Answer:
A
— SN1
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Q. What type of polymer is nylon?
A.
Addition polymer
B.
Condensation polymer
C.
Natural polymer
D.
Composite polymer
Show solution
Solution
Nylon is a condensation polymer formed from the reaction of diamines and dicarboxylic acids.
Correct Answer:
B
— Condensation polymer
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Q. What type of reaction is involved in the conversion of an alkene to an alkane? (2023)
A.
Hydrogenation
B.
Dehydration
C.
Halogenation
D.
Oxidation
Show solution
Solution
Hydrogenation is the process of adding hydrogen to an alkene to convert it into an alkane.
Correct Answer:
A
— Hydrogenation
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Q. What type of reaction is the conversion of an alkene to an alkane? (2023)
A.
Hydrogenation
B.
Dehydration
C.
Halogenation
D.
Oxidation
Show solution
Solution
The conversion of an alkene to an alkane is called hydrogenation, where hydrogen is added across the double bond.
Correct Answer:
A
— Hydrogenation
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Q. What type of reaction occurs when an alkene reacts with hydrogen? (2023) 2023
A.
Hydrolysis
B.
Hydrogenation
C.
Dehydration
D.
Oxidation
Show solution
Solution
The reaction of an alkene with hydrogen is called hydrogenation.
Correct Answer:
B
— Hydrogenation
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Q. What type of reaction occurs when ethene is converted to ethane? (2020)
A.
Hydrogenation
B.
Dehydrogenation
C.
Halogenation
D.
Hydrolysis
Show solution
Solution
The conversion of ethene to ethane involves the addition of hydrogen, which is known as hydrogenation.
Correct Answer:
A
— Hydrogenation
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Q. What type of reaction occurs when ethene reacts with bromine?
A.
Substitution
B.
Addition
C.
Elimination
D.
Oxidation
Show solution
Solution
The reaction between ethene and bromine is an addition reaction, forming dibromoethane.
Correct Answer:
B
— Addition
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Q. What type of reaction occurs when haloalkanes react with aqueous KOH?
A.
Nucleophilic substitution
B.
Elimination
C.
Addition
D.
Redox
Show solution
Solution
Haloalkanes react with aqueous KOH primarily through nucleophilic substitution to form alcohols.
Correct Answer:
A
— Nucleophilic substitution
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Q. What type of reaction occurs when haloalkanes react with metals like magnesium?
A.
Substitution
B.
Elimination
C.
Addition
D.
Grignard formation
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Solution
The reaction of haloalkanes with metals like magnesium leads to Grignard formation, which is a key step in organic synthesis.
Correct Answer:
D
— Grignard formation
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Q. What type of reaction occurs when haloalkanes react with metals like zinc?
A.
Substitution
B.
Elimination
C.
Reduction
D.
Oxidation
Show solution
Solution
The reaction of haloalkanes with metals like zinc is a reduction reaction, forming alkanes.
Correct Answer:
C
— Reduction
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Q. What type of reaction occurs when haloalkanes react with nucleophiles? (2020)
A.
Elimination
B.
Substitution
C.
Addition
D.
Redox
Show solution
Solution
Haloalkanes typically undergo nucleophilic substitution reactions where the halogen is replaced by a nucleophile.
Correct Answer:
B
— Substitution
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Q. What type of structure do most natural polymers have?
A.
Linear
B.
Branched
C.
Cross-linked
D.
Network
Show solution
Solution
Most natural polymers, like cellulose, have a linear structure.
Correct Answer:
A
— Linear
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Q. What type of sugar is ribose?
A.
Monosaccharide
B.
Disaccharide
C.
Polysaccharide
D.
Oligosaccharide
Show solution
Solution
Ribose is a monosaccharide, a simple sugar that is a component of RNA.
Correct Answer:
A
— Monosaccharide
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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!