Which one of the following forms vortex ring?

P_{2} O_{5}

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P H_{3}

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N H_{3}

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P_{4} O_{10}

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Solution

The correct option is B $P H_{3}$
Phosphine when comes in contact with air, it forms vortex rings of $P_{2} O_{5}$ in the form of white smoke. So it is used to prepare smoke screens in warfare.

$2 P H_{3} + 4 O_{2} \to P_{2} O_{5} + 3 H_{2} O$

Hence, option B is correct.

Suggest Corrections

Similar questions

1. S b H_{3} > N H_{3} > A s H_{3} > P H_{3}

2. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

3. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

4. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

(1) N H_{3} > P H_{3} > N F_{3} (2) N F_{3} > N H_{3} > P H_{3}

(3) N H_{3} > N F_{3} > P H_{3} (4) P H_{3} > N H_{3} > N F_{3}

1. S b H_{3} > N H_{3} > A s H_{3} > P H_{3}

2. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

3. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

4. N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

The increasing order of enthalpy of vaporization of NH₃, PH₃, and AsH₃ is

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