MEDIUM
10th CBSE
IMPORTANT
Earn 100

A compound with the molecular formula C3H8O reacts with sodium metal to evolve hydrogen gas. What are the possible structures of the compound?

Important Questions on Carbon and its Compounds

MEDIUM
10th CBSE
IMPORTANT
Name the black substance of pencil. Will the current flow through the electrical circuit when we use the sharpened ends of the pencil to complete the circuit?
MEDIUM
10th CBSE
IMPORTANT
Catenation is the ability of an atom to form the bonds with other atoms of the same element. It is exhibited by both carbon and silicon. Compare the ability of catenation of the two elements. Give reasons.
MEDIUM
10th CBSE
IMPORTANT
Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH or CH3CH2OH
MEDIUM
10th CBSE
IMPORTANT
Complete the following equation:
CH3CH2OH170°CConc. H2SO4
MEDIUM
10th CBSE
IMPORTANT

Complete the following equation:

CH3OH+C2H5OH Conc. H2SO4

EASY
10th CBSE
IMPORTANT
What change will you observe if you test soap solution with a litmus paper (red and blue)? Give reason for your observation.
MEDIUM
10th CBSE
IMPORTANT
Explain why, methanol is much more dangerous to drink than ethanol?
MEDIUM
10th CBSE
IMPORTANT
What is an oxidising agent? Name two oxidising agents which can oxidise ethanol to ethanoic acid?