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

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11th CBSE

IMPORTANT

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What happens when aluminium reacts with Conc. $H N O_{3}$ ?

Important Questions on Some p-Block Elements

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11th CBSE

IMPORTANT

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

How are boron trihalides prepared ?

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IMPORTANT

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

Discuss the structure of boron trihalides.

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11th CBSE

IMPORTANT

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

Why do boron trihalides behave as Lewis acids? Discuss their relative acid strength.

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

Describe the shapes of

{BF}_{3}

and

B H_{4}^{-}

. What type of hybridization can we assign to boron in each of these compounds?

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11th CBSE

IMPORTANT

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

Explain the following giving reason:

B F_{3}

acts as a Lewis acid.

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IMPORTANT

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

Explain the following giving reason:

B F_{3}

is a weaker acid than

B {Cl}_{3}

.

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11th CBSE

IMPORTANT

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

Arrange the boron trihalides in order of increasing Lewis acid character.

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11th CBSE

IMPORTANT

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

Comment upon icosahedral structure of boron.