Inorganic Chemistry MCQ with Answers

Inorganic Chemistry MCQ with Answers

136) Which of the following statements about BCl₃ and AlCl₃ is correct?

Answer is:

Both are Lewis acids, but BCl₃ is stronger

137) A compound of boron, X, reacts at a very high temperature with NH₃ to give another compound Y, which is isosteric with benzene. The compound Y is a colourless liquid and is highly light sensitive. Its melting point is −57^oC. The compound X with excess of NH₃ and at a still higher temperature gives boron nitride (BN)_n. The compound X and Y are respectively:

Answer is:

B₂H₆ and B₃N₃H₆

138) Pick the wrong statement:

Answer is:

All the Al−Cl bonds in Al₂Cl₆ are equivalent

Explanation:

There are two different bond lengths.

139) Which statement is incorrect about AlCl₃?

Answer is:

Its aqueous solution is basic

Explanation:

Its aqueous solution is acidic.

140) Which of the following is basic in nature?

Answer is:

In(OH)₃

Explanation:

(1) is acidic, (2) and (3) are amphoteric, while (4) is basic.

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