Question 1
Carbon and its Compounds · 2024
Heated alkaline KMnO₄ converts CH₃CH₂OH to CH₃COOH. What is its role?
Correct!
The answer is C, Oxidising agent.
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Carbon and its Compounds questions for CBSE X
Lakshyank has 89 Carbon and its Compounds questions for CBSE X. Try a few below, then practise the rest free.
Question 2
Carbon and its Compounds · 2024
Which describes the electron-pair bonds in propane C₃H₈?
Correct!
The answer is D, Eight C–H and two C–C single bonds; each bond is a shared electron pair.
Question 3
Carbon and its Compounds
Why can acetylene burn with a sooty flame in an ordinary limited-air supply?
Correct!
The answer is B, Incomplete combustion leaves glowing carbon particles.
Question 4
Carbon and its Compounds
What are structural isomers?
Correct!
The answer is D, Compounds with the same molecular formula but different arrangements of bonded atoms.
Question 5
Carbon and its Compounds
Which names give possible homologous members with formulae C₃H₄,C₄H₆,C₅H₈ in the alkyne series?
Correct!
The answer is C, Propyne, but-1-yne, pent-1-yne.
Question 6
Carbon and its Compounds
What is the general formula of an open-chain alkene with one C=C bond, and its simplest member?
Correct!
The answer is D, CₙH₂ₙ (n≥2); ethene.
Question 7
Carbon and its Compounds
What are structural isomers?
Correct!
The answer is D, Compounds with the same molecular formula but different arrangements of bonded atoms.
Question 8
Carbon and its Compounds
How do soaps and common synthetic detergents differ chemically?
Correct!
The answer is B, Soaps are long-chain fatty-acid salts; many detergents are long-chain sulphate or sulphonate salts.
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