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CBSE Notes 2011-2012 » XI-Chemistry

The p-Block Elements

What is use of diborane ? Why BH3 exists in form of diborane ?

Short answer question

What is use of diborane ? Why BH3 exists in form of diborane ?

Which type of bonds are formed by Boron and why ?

Short answer question

Which type of bonds are formed by Boron and why ?

Why do boron halides form addition compounds with ammonia and amines ?

Short answer question

Why do boron halides form addition compounds with ammonia and amines ?

In which pure form does carbon exist in nature ?

Short answer question

In which pure form does carbon exist in nature ?

Why is boron metalloid ?

Short answer question

Why is boron metalloid ?

Name two allotropes of boron.

Short answer question

Name two allotropes of boron.

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