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Standard XII
Chemistry
Oxides of Group 16
Which one of ...
Question
Which one of these gas
in air is explosive at concentrations over 5.6%?
A
HCl
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B
HF
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C
HCN
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D
Ammonia
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Solution
The correct option is
B
HCN
Hydrogen cyanide gas in air is explosive at concentrations over 5.6%.
This is far above its toxicity level.
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