MCQ
Which is represented by the formula ${C_n}{H_{2n - 2}}$
- AAlkane
- ✓Alkyne
- CAlkene
- DNone of these
$C _{ n } H _{2 n -2}$ is the standard formula for alkynes.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
(image) $+ NaNO_2+HCl \rightarrow $ product
(At. nos. $Cr = 24, \,Mn = 25,\, Fe = 26, \,Co = 27$)
$A$. Glycerol is purified by vacuum distillation because it decomposes at its normal boiling point.
$B$. Aniline can be purified by steam distillation as aniline is miscible in water.
$C$. Ethanol can be separated from ethanol water mixture by azeotropic distillation because it forms azeotrope.
$D$. An organic compound is pure, if mixed $M.P$. is remained same.
Choose the most appropriate answer from the options given below :