MEDIUM
11th ICSE
IMPORTANT
Earn 100

Sulphuric acid is a very strong acid, yet it can also act as base in some reactions. Explain how?

Important Questions on Sample Question Paper 4

MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 6
All bronsted acids are not Lewis acids. Explain.
MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 7
Hydrogen generally forms covalent compounds. Give reason.
HARD
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 7
How can the production of dihydrogen, obtained from coal gasification, be increased?
HARD
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 8
A common method of preparation of alkenes from alcohols involve heating the alcohol with a mineral acid. What is the mechanism of this dehydration?
MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 9
Define octet rule. Write its significance and limitations.
EASY
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 9

Draw the Lewis structure for the following molecules: H2S and SiCl4.

MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 9
What is valence bond theory?
MEDIUM
11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 9
Write two differences between σ and π bonds.