MCQ
The molecules represented by the above two structures are


- ✓identical
- Benantiomers
- Cdiastereomers
- Depimers

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is:|
Column $I$ |
Column $II$ |
| $A$. Inert-gas elements | $1.\left( {n - 1} \right){d^{1 - 10}}\,n{s^{1 - 2}}$ |
| $B$. Transition elements | $2\,. ns^2\,np^6$ |
| $C$. Inner-transition elements | $3.\left( {n - 2} \right){f^{1 - 14}}\,\left( {n - 1} \right){s^2}{p^6}{d^{0 - 1}}\,n{s^2}$ |

Product $(A)$ is