Engineering & Architecture Admissions MCQ & Objective Questions
Engineering & Architecture Admissions play a crucial role in shaping the future of aspiring students in India. With the increasing competition in entrance exams, mastering MCQs and objective questions is essential for effective exam preparation. Practicing these types of questions not only enhances concept clarity but also boosts confidence, helping students score better in their exams.
What You Will Practise Here
Key concepts in Engineering Mathematics
Fundamentals of Physics relevant to architecture and engineering
Important definitions and terminologies in engineering disciplines
Essential formulas for solving objective questions
Diagrams and illustrations for better understanding
Conceptual theories related to structural engineering
Analysis of previous years' important questions
Exam Relevance
The topics covered under Engineering & Architecture Admissions are highly relevant for various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter MCQs that test their understanding of core concepts, application of formulas, and analytical skills. Common question patterns include multiple-choice questions that require selecting the correct answer from given options, as well as assertion-reason type questions that assess deeper comprehension.
Common Mistakes Students Make
Misinterpreting the question stem, leading to incorrect answers.
Overlooking units in numerical problems, which can change the outcome.
Confusing similar concepts or terms, especially in definitions.
Neglecting to review diagrams, which are often crucial for solving problems.
Rushing through practice questions without understanding the underlying concepts.
FAQs
Question: What are the best ways to prepare for Engineering & Architecture Admissions MCQs?Answer: Regular practice of objective questions, reviewing key concepts, and taking mock tests can significantly enhance your preparation.
Question: How can I improve my accuracy in solving MCQs?Answer: Focus on understanding the concepts thoroughly, practice regularly, and learn to eliminate incorrect options to improve accuracy.
Start your journey towards success by solving practice MCQs today! Test your understanding and strengthen your knowledge in Engineering & Architecture Admissions to excel in your exams.
Q. What is the main product of the oxidation of a primary alcohol?
A.
Aldehyde
B.
Ketone
C.
Carboxylic acid
D.
Alcohol
Show solution
Solution
Oxidation of a primary alcohol typically leads to the formation of a carboxylic acid.
Correct Answer:
C
— Carboxylic acid
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Q. What is the main product of the reaction between an alcohol and a carboxylic acid?
A.
Ester
B.
Ether
C.
Aldehyde
D.
Ketone
Show solution
Solution
The reaction between an alcohol and a carboxylic acid typically produces an ester.
Correct Answer:
A
— Ester
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Q. What is the main product of the reaction between ethene and bromine?
A.
Bromobutane
B.
1,2-Dibromoethane
C.
Bromoethane
D.
Ethyl bromide
Show solution
Solution
The reaction of ethene with bromine results in the formation of 1,2-dibromoethane through an electrophilic addition mechanism.
Correct Answer:
B
— 1,2-Dibromoethane
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Q. What is the main product of the reaction between hydrogen and oxygen?
A.
Ozone
B.
Water
C.
Hydrogen peroxide
D.
Hydrochloric acid
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Solution
The main product of the reaction between hydrogen and oxygen is water (H2O).
Correct Answer:
B
— Water
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Q. What is the main product of the reaction between sodium and chlorine?
A.
NaCl
B.
NaCl2
C.
Na2Cl
D.
Na2Cl2
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Solution
The main product of the reaction between sodium and chlorine is sodium chloride (NaCl).
Correct Answer:
A
— NaCl
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Q. What is the main product of the reaction of 1-chloropropane with magnesium in dry ether?
A.
Propane
B.
Grignard reagent
C.
Propyl chloride
D.
Magnesium chloride
Show solution
Solution
The reaction forms a Grignard reagent, which is an organomagnesium compound.
Correct Answer:
B
— Grignard reagent
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Q. What is the main product of the reaction of benzene with bromine in the presence of FeBr3?
A.
Bromobenzene
B.
Benzyl bromide
C.
Bromobenzyl alcohol
D.
Benzene remains unchanged
Show solution
Solution
The reaction of benzene with bromine in the presence of FeBr3 leads to the formation of bromobenzene through electrophilic aromatic substitution.
Correct Answer:
A
— Bromobenzene
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Q. What is the main product of the reaction of ethene with ozone followed by zinc reduction?
A.
Acetaldehyde
B.
Ethylene glycol
C.
Acetic acid
D.
Ethane
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Solution
The ozonolysis of ethene followed by zinc reduction yields acetaldehyde.
Correct Answer:
A
— Acetaldehyde
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Q. What is the main product of the thermal decomposition of calcium carbonate?
A.
Calcium oxide
B.
Calcium hydroxide
C.
Carbon dioxide
D.
Calcium bicarbonate
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Solution
The thermal decomposition of calcium carbonate produces calcium oxide and carbon dioxide.
Correct Answer:
A
— Calcium oxide
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Q. What is the main product when 1-bromopropane is treated with aqueous KOH?
A.
Propene
B.
1-propanol
C.
2-propanol
D.
No reaction
Show solution
Solution
1-bromopropane reacts with aqueous KOH to undergo substitution, yielding 1-propanol as the main product.
Correct Answer:
B
— 1-propanol
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Q. What is the main product when 1-bromopropane reacts with magnesium in dry ether?
A.
Propylmagnesium bromide
B.
Propane
C.
Magnesium bromide
D.
Propan-1-ol
Show solution
Solution
The reaction of 1-bromopropane with magnesium in dry ether forms propylmagnesium bromide, a Grignard reagent.
Correct Answer:
A
— Propylmagnesium bromide
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Q. What is the main product when 1-butanol is oxidized?
A.
Butanal
B.
Butanoic acid
C.
Butene
D.
Butyne
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Solution
Oxidation of 1-butanol leads to the formation of butanoic acid.
Correct Answer:
B
— Butanoic acid
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Q. What is the main product when 1-butene undergoes hydroboration-oxidation?
A.
Butanol
B.
Butanal
C.
Butyric acid
D.
Butene
Show solution
Solution
The main product of hydroboration-oxidation of 1-butene is butanol.
Correct Answer:
A
— Butanol
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Q. What is the main product when 1-butyne is treated with HBr?
A.
1-bromobutane
B.
2-bromobutane
C.
1,2-dibromobutane
D.
No reaction
Show solution
Solution
When 1-butyne reacts with HBr, the main product is 2-bromobutane due to Markovnikov's rule.
Correct Answer:
B
— 2-bromobutane
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Q. What is the main product when 1-chloropropane is treated with magnesium in dry ether?
A.
Propane
B.
Propylmagnesium chloride
C.
Cyclopropane
D.
Chloromagnesium propyl
Show solution
Solution
The reaction forms propylmagnesium chloride, a Grignard reagent.
Correct Answer:
B
— Propylmagnesium chloride
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Q. What is the main product when 2-butyne is treated with excess H2 in the presence of a catalyst?
A.
1-butyne
B.
Butane
C.
2-butyne
D.
Ethyne
Show solution
Solution
The main product is butane, as 2-butyne is fully hydrogenated to form butane.
Correct Answer:
B
— Butane
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Q. What is the main product when 2-butyne undergoes hydroboration-oxidation?
A.
Butanol
B.
Butanal
C.
Butyric acid
D.
Butene
Show solution
Solution
The main product is Butanol when 2-butyne undergoes hydroboration-oxidation.
Correct Answer:
A
— Butanol
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Q. What is the main product when a carboxylic acid is reduced?
A.
Alcohol
B.
Aldehyde
C.
Ketone
D.
Alkane
Show solution
Solution
The main product of the reduction of a carboxylic acid is an alcohol.
Correct Answer:
A
— Alcohol
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Q. What is the main product when an alcohol is dehydrated?
A.
Alkene
B.
Alkane
C.
Ether
D.
Aldehyde
Show solution
Solution
Dehydration of alcohols typically yields alkenes through elimination reactions.
Correct Answer:
A
— Alkene
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Q. What is the main product when an alcohol is oxidized with potassium dichromate?
A.
Aldehyde
B.
Ketone
C.
Carboxylic acid
D.
All of the above
Show solution
Solution
Depending on the type of alcohol, oxidation with potassium dichromate can yield aldehydes, ketones, or carboxylic acids.
Correct Answer:
D
— All of the above
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Q. What is the main product when an aldehyde reacts with a Grignard reagent?
A.
Alcohol
B.
Ketone
C.
Carboxylic acid
D.
Alkane
Show solution
Solution
The reaction of an aldehyde with a Grignard reagent produces a primary alcohol after hydrolysis.
Correct Answer:
A
— Alcohol
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Q. What is the main product when an amine is treated with nitrous acid?
A.
Diazonium salt
B.
Alcohol
C.
Aldehyde
D.
Ketone
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Solution
Amines react with nitrous acid to form diazonium salts, which are important intermediates in organic synthesis.
Correct Answer:
A
— Diazonium salt
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Q. What is the main product when an amine reacts with nitrous acid?
A.
Diazonium salt
B.
Alcohol
C.
Aldehyde
D.
Amide
Show solution
Solution
The reaction of an amine with nitrous acid produces a diazonium salt.
Correct Answer:
A
— Diazonium salt
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Q. What is the main product when benzaldehyde is treated with Grignard reagent followed by hydrolysis?
A.
Benzyl alcohol
B.
Benzyl ketone
C.
Benzyl aldehyde
D.
Benzyl ether
Show solution
Solution
The reaction of benzaldehyde with Grignard reagent followed by hydrolysis yields benzyl alcohol.
Correct Answer:
A
— Benzyl alcohol
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Q. What is the main product when benzene reacts with chlorine in the presence of FeCl3?
A.
Chlorobenzene
B.
Benzyl chloride
C.
Benzene-1,2-dichloride
D.
Phenol
Show solution
Solution
The reaction of benzene with chlorine in the presence of FeCl3 leads to the formation of chlorobenzene through electrophilic aromatic substitution.
Correct Answer:
A
— Chlorobenzene
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Q. What is the main product when benzoic acid is treated with thionyl chloride?
A.
Benzoyl chloride
B.
Benzyl alcohol
C.
Benzene
D.
Benzoate salt
Show solution
Solution
Thionyl chloride (SOCl2) converts benzoic acid to benzoyl chloride, which is an acyl chloride.
Correct Answer:
A
— Benzoyl chloride
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Q. What is the main product when butanoic acid is treated with thionyl chloride?
A.
Butyl chloride
B.
Butanoate
C.
Butanoyl chloride
D.
Butanol
Show solution
Solution
The reaction of butanoic acid with thionyl chloride produces butanoyl chloride.
Correct Answer:
C
— Butanoyl chloride
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Q. What is the main product when chlorobenzene is treated with sodium hydroxide at high temperature?
A.
Phenol
B.
Benzene
C.
Chlorobenzene remains unchanged
D.
Sodium phenoxide
Show solution
Solution
Chlorobenzene reacts with sodium hydroxide at high temperature to form phenol through nucleophilic aromatic substitution.
Correct Answer:
A
— Phenol
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Q. What is the main product when ethanol is dehydrated?
A.
Ethylene
B.
Acetaldehyde
C.
Diethyl ether
D.
Ethane
Show solution
Solution
Dehydration of ethanol typically yields ethylene (ethene) as the main product.
Correct Answer:
A
— Ethylene
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Q. What is the main product when ethylamine is treated with nitrous acid?
A.
Ethyl alcohol
B.
Ethyl diazonium salt
C.
Ethylamine hydrochloride
D.
No reaction
Show solution
Solution
Ethylamine reacts with nitrous acid to form ethyl diazonium salt, which is a key intermediate in organic synthesis.
Correct Answer:
B
— Ethyl diazonium salt
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