Some statements are given regarding IVA group elements
A) Order of Electronegativity :
C > Si = Ge = Sn = Pb
B) Order of Ionisation potential :
C > Si > Ge > Pb > Sn
C) Order of Melting point :
C > Si > Ge > Pb > Sn
Correct orders among the above is

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A only

A,B only

B,C only

A,B,C

answer is D.

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Detailed Solution

Correct Order of Electronegativity :C > Si = Ge = Sn = Pb
Correct Order of Ionisation potential :C > Si > Ge > Pb > Sn
Correct Order of Melting point :C > Si > Ge > Pb > Sn

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