$\mathrm{C}>\mathrm{Ge}>\mathrm{Si}$

$\mathrm{Si}>\mathrm{C}>\mathrm{Ge}$

$\mathrm{C}>\mathrm{Si}>\mathrm{Ge}$

$\mathrm{Si}>\mathrm{Ge}>\mathrm{C}$

$\mathrm{N}_2$ is a brown coloured gas.

$\mathrm{O}_3$ is thermodynamically stable compared to oxygen.

Rhombic sulphur is stable at room temperature.

$\mathrm{Cl}_2$ is a colourless gas.

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_5$

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_4$

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_7$

$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_8$

A, B, C

A, B only

B, C only

A, C only