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

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11th Telangana Board

IMPORTANT

Earn 100

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

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 1

Discuss the pattern of variation in the oxidation states of Boron to Thalium.

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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

TlCl

?

EASY

11th Telangana Board

IMPORTANT

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

Why does

{BF}_{3}

behave as a Lewis acid?

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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.

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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?

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11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 6

Describe the shapes of ${BF}_{3}$ and ${BH}_{4}^{-} .$ Assign the hybridisation of boron in these species.

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11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 7

Explain why atomic radius of

Ga

is less than that of

Al

.

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 10 - The p -Block Elements - Group 13>QUESTIONS>Q 8

Explain inert pair effect.