Question

Select the true statement with respect to
Phosphine
(A) It is yellow colored gas
N
(B) It has a rotten egg smell
(C) Pure phosphine is non-inflammable
(D) It is non-poisonous in nature​

Answer 1

Answer: C

Pure phosphine is not flammable but the gas may catch fire in air

Answer 2

The statement which is true regarding the Phosphine is: (B) It has a rotten egg smell.

Explanation for the answer:

• Phosphine is a colourless flammable, and explosive gas at an ambient temperature.
• It has a disagreeable odor of rotten egg, fish or garlic.
• It is used as an insecticide for the fumigation of grains, animal feed, and leaf-stored tobacco.
• Hence, the correct answer among all the options is option (B) It has a rotten egg smell.

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