Sketch the structure of Orthoboric acid.

Important Questions on The p -Block Elements - Group 13

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 2

How do you explain higher stability of $\mathrm{TlCl}$?

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 3

Why does ${\mathrm{BF}}_3$ behave as a Lewis acid?

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 4

Is boric acid a protic acid? Explain.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 5

What happens when boric acid is heated?

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 19

Metal borides (having ${}^{10}\mathrm{B}$) are used as protective shield-why?

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 26

Give reason why aluminium utensils should not be kept in water overnight.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 26

Give reason why Aluminium wire is used to make transmission cables.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 39

Write any two methods of preparation of diborane. How does it react with carbon monoxide?