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Red phosphorus is less reactive than yel...

Red phosphorus is less reactive than yellow phosphorus because

A

Its colour is red

B

It is highly polymerised

C

It is hard

D

It is insoluble in `C_2 H_5 OH`

Text Solution

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The correct Answer is:
B
Properties of ionic solid
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Give reasons for the following: (a) Red phosphorus is less reactive than white phosphorus. (b) Electron gain enthalpies of halogens are largely negative. (c) N_(2)O_(5) is more acidic than N_(2)O_(3) .

Assertion : white phosphorus is more reactive than red phosphorus Reason: Red phosphorus consists of P_(4) tetrahedral units linkage to one another to form linear chains.

Why is red phosphorus less reactive than white phosphorus ?

Red phosphorus is reactive than white phosphorus as red phosphorus is poltmeric and consists of the of P_(4) units.

Assertion : White phosphorus is more reactive than red phosphorus. Reason : It readily catches fire in air to give dense white fumes of P_(4)O_(10) .

Assertion: Red phophorus is less volatile then white phosphorus. Reason: Red phosphorus has a discrete tetrahedral structure.