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BITSAT 2020

Exam: BITSAT
Year: 2020
Subject: Chemistry
Chapter: p Block Elements (Group 15, 16, 17 & 18)

BITSAT 2020 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Phosphine is not obtained by which of the following reaction?

Phosphine is not obtained by which of the following reaction?

Options

AWhite $\mathrm{P}$ is heated with $\mathrm{NaOH}$ .
BRed P is heated with $\mathrm{NaOH}$ .
C $\mathrm{Ca}_{3} \mathrm{P}_{2}$ reacts with water.
DBoth (a) and (c).

Correct answer

B. Red P is heated with $\mathrm{NaOH}$ .

Step-by-step solution

Red P doesnot react with

\mathrm{NaOH}

to give

\mathrm{PH}_{3}

.

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