Q. What is the IUPAC name of the compound CH3CH2NH2? (2021)
A.
Ethylamine
B.
Dimethylamine
C.
Propylamine
D.
Methylamine
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Solution
The IUPAC name of CH3CH2NH2 is Ethylamine, as it consists of an ethyl group attached to an amine.
Correct Answer:
A
— Ethylamine
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Q. What is the IUPAC name of the compound CH3COOH? (2020)
A.
Methanoic acid
B.
Ethanoic acid
C.
Propanoic acid
D.
Butanoic acid
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Solution
The IUPAC name of CH3COOH is Ethanoic acid, which is commonly known as acetic acid.
Correct Answer:
B
— Ethanoic acid
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Q. What is the Ksp expression for the salt AgCl? (2023)
A.
[Ag+][Cl-]
B.
[AgCl]
C.
[Ag+][Cl-]^2
D.
[AgCl]^2
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Solution
The solubility product constant (Ksp) for AgCl is expressed as Ksp = [Ag+][Cl-], where [Ag+] and [Cl-] are the molar concentrations of the ions in a saturated solution.
Correct Answer:
A
— [Ag+][Cl-]
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Q. What is the Ksp of AgCl if the solubility of AgCl in water is 1.33 x 10^-5 M? (2023)
A.
1.78 x 10^-10
B.
1.33 x 10^-5
C.
1.33 x 10^-10
D.
1.78 x 10^-5
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Solution
Ksp = [Ag+][Cl-] = (1.33 x 10^-5)(1.33 x 10^-5) = 1.78 x 10^-10.
Correct Answer:
A
— 1.78 x 10^-10
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Q. What is the main characteristic of elastomers?
A.
Brittle
B.
Elastic
C.
Rigid
D.
Transparent
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Solution
Elastomers are characterized by their elastic properties, allowing them to stretch and return to their original shape.
Correct Answer:
B
— Elastic
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Q. What is the main component of natural rubber?
A.
Polyisoprene
B.
Polystyrene
C.
Polyethylene
D.
Polyvinyl acetate
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Solution
Natural rubber is primarily composed of polyisoprene, which is derived from latex.
Correct Answer:
A
— Polyisoprene
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Q. What is the main function of lipids in the body?
A.
Energy storage
B.
Genetic information
C.
Structural support
D.
Transport
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Solution
Lipids serve as a major form of energy storage in the body.
Correct Answer:
A
— Energy storage
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Q. What is the main product of the combustion of hydrocarbons? (2023) 2023
A.
Oxygen
B.
Water
C.
Carbon Dioxide
D.
Nitrogen
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Solution
The main products of the combustion of hydrocarbons are water (H2O) and carbon dioxide (CO2).
Correct Answer:
C
— Carbon Dioxide
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Q. What is the main product of the complete combustion of ethane (C2H6)? (2023)
A.
Carbon dioxide and water
B.
Carbon monoxide and water
C.
Soot and water
D.
Hydrogen gas
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Solution
The complete combustion of ethane produces carbon dioxide and water as the main products.
Correct Answer:
A
— Carbon dioxide and water
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Q. What is the main product of the complete combustion of methane? (2023)
A.
Carbon dioxide and water
B.
Carbon monoxide and water
C.
Carbon and hydrogen
D.
Oxygen and water
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Solution
The complete combustion of methane (CH4) produces carbon dioxide (CO2) and water (H2O).
Correct Answer:
A
— Carbon dioxide and water
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Q. What is the main product of the oxidation of ethanol?
A.
Acetic acid
B.
Formic acid
C.
Butanoic acid
D.
Propanoic acid
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Solution
The main product of the oxidation of ethanol is acetic acid.
Correct Answer:
A
— Acetic acid
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Q. What is the main product when 1-bromobutane reacts with sodium hydroxide in ethanol? (2021)
A.
Butanol
B.
Butene
C.
Sodium bromide
D.
Butyric acid
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Solution
The reaction of 1-bromobutane with sodium hydroxide in ethanol leads to elimination, forming butene as the main product.
Correct Answer:
B
— Butene
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Q. What is the main product when an amine reacts with an acyl chloride?
A.
Amide
B.
Ester
C.
Alcohol
D.
Aldehyde
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Solution
The reaction of an amine with an acyl chloride produces an amide.
Correct Answer:
A
— Amide
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Q. What is the main product when an amine reacts with an alkyl halide?
A.
Amide
B.
Quaternary ammonium salt
C.
Alcohol
D.
Ester
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Solution
The main product is a quaternary ammonium salt when an amine reacts with an alkyl halide, as the amine can be further alkylated.
Correct Answer:
B
— Quaternary ammonium salt
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Q. What is the main product when ethene reacts with bromine?
A.
Bromethane
B.
1,2-Dibromoethane
C.
Ethane
D.
Bromoethane
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Solution
The reaction of ethene with bromine results in the formation of 1,2-dibromoethane.
Correct Answer:
B
— 1,2-Dibromoethane
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Q. What is the main product when ethene reacts with hydrogen in the presence of a catalyst?
A.
Ethane
B.
Ethanol
C.
Ethyl chloride
D.
Acetylene
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Solution
The main product is ethane, formed by the hydrogenation of ethene.
Correct Answer:
A
— Ethane
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Q. What is the main product when phenol is treated with bromine?
A.
Bromobenzene
B.
Bromophenol
C.
Benzene
D.
Bromobutane
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Solution
Bromine reacts with phenol to form bromophenol, which is a substitution product.
Correct Answer:
B
— Bromophenol
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Q. What is the main product when phenol reacts with bromine? (2019)
A.
Bromobenzene
B.
Bromophenol
C.
Benzene
D.
No reaction
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Solution
Phenol reacts with bromine to form Bromophenol, which is a brominated derivative of phenol.
Correct Answer:
B
— Bromophenol
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Q. What is the main product when phenol reacts with sodium hydroxide?
A.
Sodium phenoxide
B.
Sodium benzoate
C.
Benzene
D.
Phenyl acetate
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Solution
Phenol reacts with sodium hydroxide to form sodium phenoxide, which is a salt of phenol.
Correct Answer:
A
— Sodium phenoxide
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Q. What is the main product when propan-2-one is treated with iodine in the presence of a base?
A.
Iodoform
B.
Acetone
C.
Bromoform
D.
Chloroform
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Solution
Propan-2-one (acetone) reacts with iodine in the presence of a base to form Iodoform.
Correct Answer:
A
— Iodoform
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Q. What is the main reaction of phenols with bromine water? (2020)
A.
No reaction
B.
Formation of brominated phenol
C.
Formation of phenyl ether
D.
Formation of phenol red
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Solution
Phenols react with bromine water to form brominated phenols, which are usually colorless or pale yellow.
Correct Answer:
B
— Formation of brominated phenol
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Q. What is the main reaction of phenols with sodium hydroxide? (2020)
A.
Formation of sodium phenoxide
B.
Formation of ether
C.
Formation of alcohol
D.
Formation of ketone
Show solution
Solution
Phenols react with sodium hydroxide to form sodium phenoxide, which is a salt of phenol.
Correct Answer:
A
— Formation of sodium phenoxide
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Q. What is the main type of reaction that haloalkanes undergo? (2020)
A.
Addition
B.
Substitution
C.
Elimination
D.
Redox
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Solution
Haloalkanes primarily undergo nucleophilic substitution reactions due to the presence of a good leaving group (halogen).
Correct Answer:
B
— Substitution
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Q. What is the main use of citric acid?
A.
Preservative
B.
Flavoring agent
C.
Cleaning agent
D.
All of the above
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Solution
Citric acid is used as a preservative, flavoring agent, and cleaning agent.
Correct Answer:
D
— All of the above
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Q. What is the major product when 1-bromobutane reacts with sodium ethoxide? (2021)
A.
Butane
B.
Ethyl butyl ether
C.
1-butanol
D.
2-butanol
Show solution
Solution
The reaction of 1-bromobutane with sodium ethoxide leads to the formation of ethyl butyl ether through an SN2 mechanism.
Correct Answer:
B
— Ethyl butyl ether
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Q. What is the major product when 2-bromobutane is treated with KOH in ethanol?
A.
But-1-ene
B.
But-2-ene
C.
Butane
D.
No reaction
Show solution
Solution
The major product is But-2-ene due to the more stable double bond formed during elimination.
Correct Answer:
B
— But-2-ene
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Q. What is the mass of 3 moles of NaCl? (2020) 2020
A.
87 g
B.
58.5 g
C.
174 g
D.
3 g
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Solution
Molar mass of NaCl = 23 + 35.5 = 58.5 g/mol. Mass = moles x molar mass = 3 moles x 58.5 g/mol = 174 g.
Correct Answer:
C
— 174 g
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Q. What is the mass of 3 moles of sodium chloride (NaCl)? (2023)
A.
58.5 g
B.
117 g
C.
175.5 g
D.
29.25 g
Show solution
Solution
The molar mass of NaCl is 58.5 g/mol. Therefore, 3 moles of NaCl weigh 3 x 58.5 g = 175.5 g.
Correct Answer:
B
— 117 g
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Q. What is the mass of NaOH required to prepare 0.5 L of a 1 M solution? (2023)
A.
20 g
B.
40 g
C.
10 g
D.
30 g
Show solution
Solution
Molar mass of NaOH = 40 g/mol; grams = moles × molar mass = (1 mole/L × 0.5 L) × 40 g/mol = 20 g
Correct Answer:
B
— 40 g
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Q. What is the mass of solute in grams in a 3 M solution of NaCl in 1 L of solution? (2023)
A.
58.44 g
B.
174.32 g
C.
29.22 g
D.
87.16 g
Show solution
Solution
Molar mass of NaCl = 58.44 g/mol; mass = moles × molar mass = 3 moles × 58.44 g/mol = 175.32 g
Correct Answer:
B
— 174.32 g
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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!