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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(Given molar mass of methane in $\mathrm{g} \mathrm{mol}^{-1}: 16$ )
$\left[\right.$ Given : $pK _{ b }\left( NH _3\right)=4.745$
$\log 2=0.301$
$\log 3=0.477$
$T =298\,K ]$
| $A$ | $B$ | $C$ | |
| $IE_1$ | $400$ | $550$ | $1150$ |
| $IE_2$ | $2650$ | $1070$ | $2090$ |
Identify the element which represent a nonmetal.
$MnO_4^ - + 5F{e^{2 + }} + 8{H^ + } \to M{n^{2 + }} + 5F{e^{3 + }} + 4{H_2}O$,
here $10\, ml$ of $0.1\, M$ $KMn{O_4}$ is equivalent to