Question
Define : Distance of distinct vision
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| Column I | Column II |
| (1) $\mathrm{CH}_4$ | (a) $\mathrm{CH}_2=\mathrm{CH}_2$ |
| (2) Ethane | (b) $\mathrm{C}_n \mathrm{H}_{2 n-2}$ |
| (3) Alkene | (c) Methane |
| (4) Alkyne | (d) $\mathrm{C}_2 \mathrm{H}_6$ |
| (e) $\mathrm{C}_3 \mathrm{H}_8$ |
| Shell | $n$ | $2n^2$ | Electron holding capacity |
| $K$ | ______ | $2 \times 1^2$ | $2$ |
| $L$ | $2$ | ______ | $8$ |
| ______ | $3$ | $2 \times 3^2$ | $18$ |
| $N$ | $4$ | $2 \times 4^2$ | ______ |