Q.

Select the correct statement out of the following :

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

PH3 has garlic smell

b

It is non-poisonous

c

PH3 is more basic than NH3

d

In the presence of sunlight aqueous solution of PH3 decomposes slowly to give H2 gas and red phosphorus

answer is A.

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Detailed Solution

PH3 has rotten fish smell. It is highly poisonous. It is much less basic than NH3 due to lower electronegativity of phosphorus (2.11) than nitrogen (2.5).PH3 decomposes to phosphorus and H2 in aqueous solution but quite slowly.
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