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$C - C > Si - Si > Sn - Sn > Ge - Ge$
- ✓$C - C > Si - Si > Ge - Ge > Sn - Sn$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Oxygen $(61.4\%);$ Carbon $(22.9\%),$ Hydrogen $(10.0\%);$ and Nitrogen $(2.6\%).$ The weight which a $75\, kg$ person would gain if all $^1H$ atoms are replaced by $^2H$ atoms is ....... $kg$