MCQ
General formula of alkane is
- ✓${C_n}{H_{2n + 2}}$
- B${C_n}{H_{2n - 1}}$
- C${C_n}{H_{2n}}$
- D${C_n}{H_{2n + 1}}$
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$\to H-F = 565\, kJ/mol$
Calculate average bond energy of $Xe-F$ bond.....$ kJ/mol$
| Acid | $K_a$ |
| $HCN$ | $6.2\times 10^{-10}$ |
| $HF$ | $7.2\times 10^{-4}$ |
| $HNO_2$ | $4.0\times 10^{-4}$ |
Correct order of increasing base strength of the base $CN^-,F^-$ and $NO_2^-$ will be