Andhra Pradesh Board Solutions for Chapter: The p -Block Elements - Group 13, Exercise 1: QUESTIONS

How does diborane react with $\mathrm{CO}$ ?

How does diborane react with $\mathrm{N}({\mathrm{CH}}_3{)}_3$ ?

${\mathrm{Al}}_2{\mathrm{O}}_3$ is amphoteric - explain with suitable examples.

${\mathrm{Na}}_2{\mathrm{B}}_4{\mathrm{O}}_7+ \mathrm{Conc}. {\mathrm{H}}_2{\mathrm{SO}}_4 \to \mathrm{A}\underset{\left(\mathrm{ii}\right) \mathrm{Ignite}}{\overset{\left(\mathrm{i}\right) {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}}{\to }}\mathrm{B} (\mathrm{Green} \mathrm{edged} \mathrm{flame})$

Identify $\mathrm{A}$ and $\mathrm{B}$

How are borax and boric acid prepared? Explain the action of heat on them.

How is diborane prepared? Explain its structure.

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

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