MEDIUM
10th CBSE
IMPORTANT
Earn 100

Intake of small quantity of methanol can be lethal. Comment.

Important Questions on Carbon and its Compounds

MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 17
Write the name and molecular formula of an organic compound having its name suffixed with “ol” and having two carbon atoms in the molecule. With the help of a balanced chemical equation indicate what happens when it is heated with excess of conc. H2SO4.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 18
What happens when wood is burnt in a limited supply of oxygen? Name the residue left behind after the reaction and state two advantages of using this residue as a fuel over wood.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 19
Write the names and molecular formula of two organic compounds having functional group suffixed as ‘—oic acid’. With the help of a balanced chemical equation explain what happens when any one of them reacts with sodium hydroxide.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 1
Complete the following reaction equations: '
(i) Question Image
(ii) CH3COOH+C2H5OH→H2SO4
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 2
Name the product(s) formed when:
(i) Chromic anhydride dissolved in glacial ethanoic acid is added dropwise to ethanol.
(ii) Ethanol burns in air.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 3
Name the organic acid present in vinegar. Write its chemical formula also.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 3
Name the products formed when
(a) ethanol burns in air.
(b) sodium ethanoate is heated with soda lime.
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 4
What are detergents chemically? Why are they more effective than soaps for cleansing action? How can detergent molecules be altered to make them biodegradable?