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Which is not the property of diamond?...

Which is not the property of diamond?

A

it is insoluble in all solvents

B

it is oxidised with a mixture of `K_(2)Cr_(2)O_(7)` and `H_(2)SO_(4)` at `200^(@)C`.

C

Being hardest, it is used as an abrasive for sharpening hard tools.

D

`Delta_(f)H^(Theta)` value of diamond is `1.90 kJmol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Diamonds is not oxidised by `K_(2)Cr_(2)O_(7)//H_(2)SO_(4)` at `200^(@)C`.
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