Question

pls explain me about Phosphine that has formula.PH3​

Answer 1

$<b> <i> <u> Hey!</b> </i> </u>$

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$<b> → Phosphine ← </b>$

$<u> • Molecular Formula :- PH3 </u>$

$<i> <u> ( i ) Preparation Reaction : </i> </u>$

=> Na3P + H2O -------------> NaOH + PH3



$<i> <u>( ii ) Properties : </u> </i>$



$<b> •Physical Properties :</b>$


→ It is a colorless gas with a unpleasant smell .

→ Highly poisonous in nature .

→ It's slightly soluble.



•$<b>Chemical Properties.</b>$

→ It is basic in nature due to the presence of lone pair on P.

→ Decomposition is as given :-

.....PH3 -----------> P4 + H2

→Reaction with Nitric Oxide is given :-

......PH3 + NO ----------> H3PO4 ( phosphoric acid ) + N2

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( iii ) $<b> Uses : </b>$

→ It is used to prepare Holme Signals for the ship's to know the position of rocks in the sea.


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Answer 2

It is a colorless gas with a unpleasant smell .

Highly poisonous in nature .

It's slightly soluble.

It is basic immature

It is used to prepare Holme Signals for the ship's to know the position of rocks in the sea.