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Questions  

Which one of the following has an electrovalent linkage?

a
CH4
b
MgCl2
c
SiCl4
d
BF3

detailed solution

Correct option is B

Electrovalent linkage generally formed between metal and non metal atoms

There are no metal atoms in CH4,SICl4 and BF3

In MgCl2,Mg  is a metal and Cl is a non metal

Hence, there is an electrovalent linkage between Mg and Cl.

Hint: Ionic bond is also called as electro valent bond.

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