On dissoliving moderate amount of sodium metal in liquid `NH_3` at low temperature, which of the following does not occur ?
| A. |
`Na^+` ions are formed in the solution |
| B. |
Blue coloured solution is obtained |
| C. |
Liquid `NH_3` becomes good conductor of electricity |
 |
| D. |
Liquid `NH_3` remains diamagnetic |
On dissovigng moderate amount of sodium metal in liquid `NH_3` at low temperature,that liquid `NH_3` becomes paramagnetic due to presence of free electrons