Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 12

HARD

11th Telangana Board

IMPORTANT

Earn 100

Explain the structure of silica.

Important Questions on The p -Block Elements - Group 14

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 1

Discuss the pattern of variation in the oxidation states of

C

to

Pb

.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 2

How

{BCl}_{3}

behave with water? Justify.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 34

Explain the following: Silicon is heated with methyl chloride at high temperature in the presence of copper.

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 41

Why

{SiO}_{2}

does not dissolve in water?

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 43

What happens when

{CaCO}_{3}

and

{SiO}_{2}

are heated?

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 45

What happens when

{CaC}_{2}

is heated with

N_{2}

?

HARD

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 46

Write a note on anomalous behaviour of carbon in the group-

14

.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 11 - The p -Block Elements - Group 14>QUESTIONS>Q 48

Explain the structure of silica. How does it react with a. $NaOH$ and b. $HF$ .