Inorganic Chemistry MCQ with Answers

Inorganic Chemistry MCQ with Answers

101) The metal that forms a self protecting film of oxide to prevent corrosion is:

Answer is:

Al

102) Carbon can not be used in the extraction of Al₂O₃ because:

Answer is:

The enthalpy of formation of Al₂O₃ is very high

Explanation:

Enthalpy of formation being high, it can not be reduced by carbon.

103) Which of the following statements is incorrect about B₂H₆?

Answer is:

All the B−H bond lengths are equal

104) Which of the following statements is correct?

Answer is:

Hydrolysis of Mg₃N₂ gives NH₃

105) A salt when reacts with dil. H₂SO₄, evolves a gas which turns lime water milky and has bleaching property. The gas evolved is:

Answer is:

SO₂

Explanation:

Both carbon dioxide and sulphur dioxide turn lime water milky, but only the latter has bleaching property.

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