MCQ
The condition for a stable wave is
- A$n\lambda = 6\prod r$
- B$n\lambda = \frac{1}{2}\prod r$
- ✓$n\lambda = 8\prod r$
- D$n\lambda = 4\prod r$
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$C{H_3} - C \equiv C - H\xrightarrow{{NaN{H_2}}}\xrightarrow{{C{H_3} - I}}(A)\xrightarrow{{Li/liq\,N{H_2}}}(B)$
$C{H_3} - C \equiv C - H\xrightarrow{{NaN{H_2}}}\xrightarrow{{C{H_3} - I}}(A)\xrightarrow[{Pd.CaC{O_3}}]{{{H_2}}}(C)$
(Given : Molar mass in $\mathrm{g} \mathrm{mol}^{-1}$ Ethyl alcohol : $46$,
water : $18$)
| Element | $IE_1$ | $IE_2$ | $IE_3$ |
| $P$ | $495.8$ | $4562$ | $6910$ |
| $Q$ | $737.7$ | $1451$ | $7733$ |
| $R$ | $577.5$ | $1817$ | $2745$ |
Then incorrect option is