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Which of the following are expected to b...

Which of the following are expected to be covalent?

A

`BeCl_(2)`

B

`SnCl_(4)`

C

`CuS`

D

`CaCl_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
The oxidation state of `Be` and `Sn` is `BeCl_(2)` and `SnCl_(4)` are `+2` and `+4` respectively. Due to the small size of cations the polarisin power of cations is very high and ths they are covalent.
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