JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

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P{H_3}

produces smoky rings when it comes in contact with air. This is because:

View answer and explanation

Correct option: D

It contains impurity of

\;{P_2}{H_4}

Option D (It contains impurity of

\;{P_2}{H_4}

) is correct because diphosphane (

P_2H_4

) is spontaneously flammable in air, causing the phosphine to ignite and produce smoky rings.

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17^{\text {th }}

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