Q. What is the IUPAC name for the compound with the formula C4H9-CO-CH3?
A.
Butan-2-one
B.
Pentanal
C.
Butan-1-one
D.
Propan-2-one
Show solution
Solution
The compound is a ketone with a four-carbon chain, thus it is Butan-2-one.
Correct Answer:
A
— Butan-2-one
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Q. What is the IUPAC name for the compound with the formula C4H9-COOH?
A.
Butanoic acid
B.
Pentanoic acid
C.
Hexanoic acid
D.
Heptanoic acid
Show solution
Solution
The compound has four carbons in the longest chain and a carboxylic acid functional group, hence it is Butanoic acid.
Correct Answer:
A
— Butanoic acid
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Q. What is the IUPAC name for the compound with the formula C4H9Cl?
A.
1-Chlorobutane
B.
2-Chlorobutane
C.
Chloropropane
D.
Butyl chloride
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Solution
The compound is a chlorinated alkane with four carbons, and the chlorine is on the first carbon, making it 1-Chlorobutane.
Correct Answer:
A
— 1-Chlorobutane
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Q. What is the IUPAC name for the compound with the formula C5H10O?
A.
Pentanal
B.
2-Pentanone
C.
3-Pentanone
D.
Butanol
Show solution
Solution
The compound is a ketone with a five-carbon chain, and the carbonyl group is on the second carbon, making it 2-Pentanone.
Correct Answer:
B
— 2-Pentanone
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Q. What is the IUPAC name for the compound with the formula C5H11-COOH?
A.
Pentanoic acid
B.
Hexanoic acid
C.
Butanoic acid
D.
Heptanoic acid
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Solution
The longest carbon chain contains five carbons, and the functional group is a carboxylic acid, hence the name is Pentanoic acid.
Correct Answer:
A
— Pentanoic acid
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Q. What is the IUPAC name for the compound with the formula C5H11-NH2?
A.
Pentylamine
B.
Butylamine
C.
Hexylamine
D.
Amylamine
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Solution
The compound is a primary amine with five carbons, hence it is named Pentylamine.
Correct Answer:
A
— Pentylamine
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Q. What is the IUPAC name for the compound with the formula C6H12?
A.
Hexane
B.
Cyclohexane
C.
1-Hexene
D.
2-Hexene
Show solution
Solution
C6H12 is a straight-chain alkane with 6 carbons, which is named Hexane.
Correct Answer:
A
— Hexane
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Q. What is the IUPAC name for the compound with the formula C6H5-CH=CH2?
A.
Benzyl ethylene
B.
Styrene
C.
Phenylpropene
D.
Vinylbenzene
Show solution
Solution
The compound is an alkene with a phenyl group, hence the IUPAC name is Styrene.
Correct Answer:
B
— Styrene
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Q. What is the IUPAC name for the compound with the formula CH3-CH(CH3)-C(=O)-OH?
A.
3-Hydroxybutanoic acid
B.
2-Hydroxybutanoic acid
C.
3-Hydroxypropanoic acid
D.
2-Hydroxypropanoic acid
Show solution
Solution
The compound has a hydroxyl group on the second carbon of a four-carbon chain with a carboxylic acid, making it 2-Hydroxybutanoic acid.
Correct Answer:
B
— 2-Hydroxybutanoic acid
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Q. What is the IUPAC name for the compound with the formula CH3-CH(CH3)-CH2-CHO?
A.
3-Methylbutanal
B.
2-Methylbutanal
C.
4-Methylbutanal
D.
Pentanal
Show solution
Solution
The longest chain has 4 carbons with an aldehyde functional group, and a methyl group on the second carbon, hence 2-Methylbutanal.
Correct Answer:
B
— 2-Methylbutanal
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Q. What is the IUPAC name for the compound with the formula CH3-CH2-CH(CH3)-OH?
A.
2-Propanol
B.
2-Butanol
C.
3-Butanol
D.
1-Butanol
Show solution
Solution
The longest chain has 4 carbons with an alcohol group on the second carbon, hence it is 2-Butanol.
Correct Answer:
B
— 2-Butanol
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Q. What is the IUPAC name for the compound with the formula CH3-CH2-CH2-CH2-COOH?
A.
Pentanoic acid
B.
Butanoic acid
C.
Hexanoic acid
D.
Heptanoic acid
Show solution
Solution
The compound has a carboxylic acid functional group and five carbons, making it Pentanoic acid.
Correct Answer:
A
— Pentanoic acid
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Q. What is the IUPAC name for the compound with the formula CH3-CO-CH2-CH3?
A.
Butan-2-one
B.
Butan-1-one
C.
Propan-2-one
D.
Pentanal
Show solution
Solution
The compound is a ketone with 4 carbons, and the carbonyl group is on the second carbon, making it Butan-2-one.
Correct Answer:
A
— Butan-2-one
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Q. What is the IUPAC name for the compound with the structure CH3-CH(CH3)-C(CH3)2-CH2-CH3?
A.
2,3-Dimethylpentane
B.
3,3-Dimethylpentane
C.
2,2-Dimethylpentane
D.
3-Methylpentane
Show solution
Solution
The longest chain has 5 carbons, with two methyl groups on the third carbon, so the name is 3,3-Dimethylpentane.
Correct Answer:
B
— 3,3-Dimethylpentane
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Q. What is the IUPAC name for the compound with the structure CH3-CH(CH3)-C(CH3)2-COOH?
A.
2-Methyl-3-pentanoic acid
B.
3-Methyl-2-pentanoic acid
C.
2,3-Dimethylbutanoic acid
D.
3,3-Dimethylbutanoic acid
Show solution
Solution
The compound has a carboxylic acid and two methyl groups on the third carbon, making it 3,3-Dimethylbutanoic acid.
Correct Answer:
D
— 3,3-Dimethylbutanoic acid
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Q. What is the IUPAC name for the compound with the structure CH3-CH(CH3)-CH2-CHO?
A.
2-Methylbutanal
B.
3-Methylbutanal
C.
2-Butanal
D.
3-Butanal
Show solution
Solution
The longest chain has four carbons, and the aldehyde is at the end, making it 2-Methylbutanal.
Correct Answer:
A
— 2-Methylbutanal
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Q. What is the IUPAC name for the compound with the structure CH3-CH(CH3)-CH2-COOH?
A.
2-Methylbutanoic acid
B.
3-Methylbutanoic acid
C.
2-Butenoic acid
D.
3-Butenoic acid
Show solution
Solution
The longest chain has four carbons, and the methyl group is on the second carbon, hence it is 2-Methylbutanoic acid.
Correct Answer:
A
— 2-Methylbutanoic acid
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH(CH3)-C(=O)-OH?
A.
3-Hydroxybutanoic acid
B.
2-Hydroxybutanoic acid
C.
3-Methylbutanoic acid
D.
2-Methylbutanoic acid
Show solution
Solution
The compound has a hydroxyl group on the second carbon of a four-carbon chain, making it 2-Hydroxybutanoic acid.
Correct Answer:
B
— 2-Hydroxybutanoic acid
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH(CH3)-OH?
A.
2-Propanol
B.
1-Butanol
C.
2-Butanol
D.
3-Butanol
Show solution
Solution
The longest chain has four carbons, and the hydroxyl group is on the second carbon, making it 2-Butanol.
Correct Answer:
C
— 2-Butanol
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-CH2-COOH?
A.
Hexanoic acid
B.
Pentanoic acid
C.
Heptanoic acid
D.
Octanoic acid
Show solution
Solution
The longest chain has six carbons, and the functional group is a carboxylic acid, hence the name is Hexanoic acid.
Correct Answer:
A
— Hexanoic acid
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-CH=CH2?
A.
1-Hexene
B.
2-Hexene
C.
3-Hexene
D.
Cyclohexene
Show solution
Solution
The compound is an alkene with a double bond at the first carbon, named 1-Hexene.
Correct Answer:
A
— 1-Hexene
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-CHO?
A.
Butanal
B.
Pentanal
C.
Hexanal
D.
Heptanal
Show solution
Solution
The longest chain has five carbons and ends with an aldehyde, hence it is Pentanal.
Correct Answer:
B
— Pentanal
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH2-CH2-COOH?
A.
Pentanoic acid
B.
Hexanoic acid
C.
Butanoic acid
D.
Heptanoic acid
Show solution
Solution
The compound has a carboxylic acid functional group and a five-carbon chain, making it Pentanoic acid.
Correct Answer:
A
— Pentanoic acid
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH2-COOH?
A.
Butanoic acid
B.
Propanoic acid
C.
Pentanoic acid
D.
Hexanoic acid
Show solution
Solution
The compound has a carboxylic acid functional group and a four-carbon chain, making it Butanoic acid.
Correct Answer:
A
— Butanoic acid
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CH=CH2?
A.
1-Butene
B.
2-Butene
C.
Butyne
D.
Butane
Show solution
Solution
The compound has a double bond between the first and second carbons, making it 1-Butene.
Correct Answer:
A
— 1-Butene
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-CO-CH3?
A.
Butan-2-one
B.
Propan-2-one
C.
Butan-1-one
D.
Pentanal
Show solution
Solution
The compound is a ketone with four carbons and the carbonyl group on the second carbon, hence it is Butan-2-one.
Correct Answer:
A
— Butan-2-one
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Q. What is the IUPAC name for the compound with the structure CH3-CH2-COOH?
A.
Propanoic acid
B.
Butanoic acid
C.
Acetic acid
D.
Methanoic acid
Show solution
Solution
The compound is a carboxylic acid with 3 carbons, named Propanoic acid.
Correct Answer:
A
— Propanoic acid
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Q. What is the IUPAC name for the compound with the structure CH3-CO-CH2-COOH?
A.
3-Oxobutanoic acid
B.
2-Oxobutanoic acid
C.
Butanoic acid
D.
Acetic acid
Show solution
Solution
The compound has a ketone and a carboxylic acid, making it 3-Oxobutanoic acid.
Correct Answer:
A
— 3-Oxobutanoic acid
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Q. What is the IUPAC name of CH2=CH-CH2-CH3?
A.
1-Butene
B.
2-Butene
C.
Propene
D.
Butyne
Show solution
Solution
The correct IUPAC name for CH2=CH-CH2-CH3 is 1-Butene, as the double bond is at the first carbon.
Correct Answer:
A
— 1-Butene
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Q. What is the IUPAC name of CH3-CH2-CH(CH3)-CH2-CH3?
A.
2-Pentyl
B.
3-Pentyl
C.
2-Methylpentane
D.
3-Methylpentane
Show solution
Solution
The longest carbon chain has 5 carbons, and there is a methyl group on the second carbon, making it 2-Methylpentane.
Correct Answer:
C
— 2-Methylpentane
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Showing 811 to 840 of 2802 (94 Pages)
Chemistry Syllabus (JEE Main) MCQ & Objective Questions
The Chemistry Syllabus for JEE Main is crucial for students aiming to excel in their exams. Understanding this syllabus not only helps in grasping fundamental concepts but also enhances performance in objective questions and MCQs. Regular practice with these types of questions is essential for scoring better and mastering important topics.
What You Will Practise Here
Basic Concepts of Chemistry
Atomic Structure and Chemical Bonding
States of Matter: Gases and Liquids
Thermodynamics and Thermochemistry
Equilibrium: Chemical and Ionic
Redox Reactions and Electrochemistry
Hydrocarbons and Environmental Chemistry
Exam Relevance
The Chemistry syllabus is a significant part of CBSE, State Boards, NEET, and JEE exams. Questions from this syllabus often appear in various formats, including multiple-choice questions, assertion-reason type questions, and numerical problems. Familiarity with the common question patterns can greatly enhance your exam preparation and confidence.
Common Mistakes Students Make
Misunderstanding the periodic trends and their implications.
Confusing different types of chemical bonds and their properties.
Neglecting to balance redox reactions properly.
Overlooking the significance of units in thermodynamic calculations.
Failing to apply concepts of equilibrium in problem-solving.
FAQs
Question: What are the key topics I should focus on in the Chemistry syllabus for JEE Main?Answer: Focus on atomic structure, chemical bonding, thermodynamics, and equilibrium as they are frequently tested.
Question: How can I improve my performance in Chemistry MCQs?Answer: Regular practice with past papers and understanding concepts deeply will help you tackle MCQs effectively.
Start your journey towards mastering the Chemistry Syllabus (JEE Main) by solving practice MCQs today. Test your understanding and build confidence for your exams!
