1.

Which of the following is true for allotropes of phosphorous?

Answer»

Yellow phsphorus is soluble in `CS_2` while red phosphorus is not
P - P - P bond angle is `60^@` in red phohorus
On heating in air, white phosphorus change to red
white phosphorus will slowly change to red phosphorus at ordinary temperatures.

Solution :(a)White phosphorous INSOLUBLE in water and soluble in `CS_2`
(b) White phosphorous `OVERSET(573K)underset("Several DAYS")rarr`Red phosphorous


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