Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

HARD

11th CBSE

IMPORTANT

Earn 100

$P b C l_{4}$ is less stable than $S n C l_{4}$ but $P b C l_{2}$ is more stable than $S n C l_{2}$ . Justify.

Important Questions on Some p-Block Elements

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

Give two characteristic differences between

C

and

Si

based on the absence of

d

-orbitals in its valence shell.

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

What is catenation? How does catenation vary in the

14^{th}

group?

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

What is catenation? How does it explain huge number of carbon compounds.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

What is allotropy? Name two elements which exhibit allotropy.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

Explain the differences in the properties of diamond and graphite on the basis of their structures.

HARD

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

Account for the following:
Diamond is hard but graphite is soft.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

Account for the following
Graphite is a good conductor of electricity but diamond is not.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's New Course CHEMISTRY Vol.II>Chapter 11 - Some p-Block Elements>ADDITIONAL QUESTIONS>Q II

Account for the following:
Diamond is used in jewellery.