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The C - C and Si - C interatomic distanc...

The C - C and Si - C interatomic distances are 154 pm and 188 pm respectively. The atomic radius of Si is

A

77 pm

B

94 pm

C

114 pm

D

111 pm

Text Solution

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The correct Answer is:
D
Atomic radius of Si
`=d_(Si-C)-(1)/(2)d_(C-C)`
`=188-(1)/(2)xx154`
`=111` pm
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