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Question

The correct order of stability of difluoride is:

A
GeF2>SiF2>CF2
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B
CF2>SiF2>SiF2
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C
SiF2>GeF2>CF2
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D
CF2>GeF2>SiF2
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Solution

The correct option is A GeF2>SiF2>CF2
Inert pair effect is the non participation of ns electrons of heavier elements of groups 13 to 15. As we move down the group, due to inert pair effect lower oxidation state i.e +2 becomes more stable. Hence stability order for difluoride is GeF2>SiF2>CF2.

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