Explain electronegativity of group 14 el...

Explain electronegativity of group 14 elements .

Text Solution

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Ge , Sn and Pb prefer to exhibit + 2 state because of inert pair effect i.e., `ns^(2)` electrons remain inert and do not involve in bonding . The inert pair effect increases down the group in the order `Ge lt Sn lt Pb`.
Carbon is highly electronegative with electronegativity 2.5 Si, Ge, Sn and Pb less electronegative . Hence they do not exhibit negative oxidation states.

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Knowledge Check

The electronegativity of the following elements increases in the order

A

C, N, Si, P

B

N, Si, C, P

C

P, Si, N, C

D

Si, P, C, N

The electronegativity of the following elements increases in the order:

A

C,N,Si,P

B

N,Si,C,P

C

Si,P,C,N

D

P,Si,N,C

Which element has least electronegativity in group 13?

A

Boron

B

Aluminium

C

Gallium

D

Thallium

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