Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 14

EASY

11th Telangana Board

IMPORTANT

Earn 100

Give the formula of Borax.

Important Questions on The p -Block Elements - Group 13

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 14

Give the formula of Colemanite.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 15

Give two uses of aluminium.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 16

What happens when

${LiAlH}_{4}$ and ${BCl}_{3}$ mixture in dry ether is warmed?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 16

What happens when Borax is heated with $H_{2} {SO}_{4}$ ?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 17

Sketch the structure of Orthoboric acid.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 18

Write the structure of

{AlCl}_{3}

as a dimer.

EASY

11th Telangana Board

IMPORTANT

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

Metal borides (having

{}^{10}B

) are used as protective shield-why?

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 20

Write reactions to justify the amphoteric nature of aluminium.