NCERT Class 10 Chapter 3 Carbon CBSE Board Sample Problems Very Short Answer (For CBSE, ICSE, IAS, NET, NRA 2022)
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Question
What do you understand by monounsaturated fatty acid?
Solution
A fatty acid with only one double bond is called monounsaturated fatty acid.
Question
Define catenation
Solution
Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules.
Question
Butter does not decolorize bromine water, whereas cooking oil does. Comment.
Solution
Unsaturated hydrocarbons decolorize bromine water. Therefore cooking oil decolorizes bromine water whereas butter does not.
Question
Why ethyne burns with a sooty flame?
Solution
Unsaturated hydrocarbons like ethyne burns with a sooty flame due to incomplete combustion.
Question
Give the I. U. P. A. C. name of the following:
Solution
Propanal
Question
Write the name of the following compound:
Solution
But-1 -ene
Question
How many structural isomers are possible for butane?
Solution
Two
Question
Which of the following are alkenes?
Solution
Question
How many covalent bonds are present in butane?
Solution
Thirteen
Question
A neutral compound (A) is formed by the reaction of an acid (B) which is present in antีs sting and an alcohol (C) which is used in the preparation of tincture of iodine. Identify the compounds B and C? (1)
Solution
B: Methanoic acid! Formic acid (1/2)
C: Ethanol (1/2)
Question
How many covalent bonds are there in a molecule of Ethane? (1)
Solution
7