MCQ
The correct order of bond enthalpy $\left( kJ\,mol ^{-1}\right)$ is :
  • A
    $Si - Si > C - C > Sn - Sn > Ge - Ge$
  • B
    $Si - Si > C - C > Ge - Ge > Sn - Sn$
  • C
    $C - C > Si - Si > Sn - Sn > Ge - Ge$
  • $C - C > Si - Si > Ge - Ge > Sn - Sn$

Answer

Correct option: D.
$C - C > Si - Si > Ge - Ge > Sn - Sn$
d
(Bond enthalpy order $C - C > Si - Si > Ge - Ge > Sn - Sn )$

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