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Oxides of Group 16

Which one of ...

Question

Which one of these is highly dangerous gas because on coming in contact with moisture it forms highly corrosive and penetrating corresponding acid?

A

Hydrogen sulphide

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B

Hydrogen cyanide

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C

Hydrogen fluoride

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D

Ammonia

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Solution

The correct option is C Hydrogen fluoride
Hydrogen fluoride is a highly dangerous gas, forming corrosive and penetrating hydrofluoric acid upon contact with moisture. The gas can also cause blindness by rapid destruction of the corneas.

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