Which of the following hydrides, when added to water, would give the most acidic solution? A Sodium hydride B Magnesium hydride C Silicon hydride D Sulphur hydride

1 Answer
Apr 21, 2018

Hydrogen sulphide (sulphur hydride) dissolves in water and will be acidic in nature.

Explanation:

Sodium hydride and magnesium hydride on reaction with water forms respective hydroxides, silane (silicon hydride) forms silanol on reaction with water, where as hydrogen sulphide dissolves in water.