Write structure of ${\mathrm{SiO}}_2$.

Important Questions on Sample Question Paper 5

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 19 - Sample Question Paper 5>SAMPLE QUESTION PAPER 5>Q 17

What are zeolites? Give its uses.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 19 - Sample Question Paper 5>SAMPLE QUESTION PAPER 5>Q 17

Write structure of ${\mathrm{CO}}_3^{2-}$ ion.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 19 - Sample Question Paper 5>SAMPLE QUESTION PAPER 5>Q 17

Give structure of diborane.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 19 - Sample Question Paper 5>SAMPLE QUESTION PAPER 5>Q 17

Give structure of borax.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 19 - Sample Question Paper 5>SAMPLE QUESTION PAPER 5>Q 17

Why boron is unable to form ${\mathrm{BF}}_6^{3-}$ ion?

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 19 - Sample Question Paper 5>SAMPLE QUESTION PAPER 5>Q 17

Write methods of preparation of carbon monoxide.

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 19 - Sample Question Paper 5>SAMPLE QUESTION PAPER 5>Q 18

Write short note on aromaticity.

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 19 - Sample Question Paper 5>SAMPLE QUESTION PAPER 5>Q 18

Show addition reaction in benzene.