MCQ
Racemic mixture is obtained due to halogenation of :
- A$n-$ pentane
- BIsopentane
- Cneopentane
- ✓Both $A\,\& \,B$
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| Column I | Column II |
| (a) Osmotic Pressure. | (i) Cottrell's method. |
| (b) Relative lowering of vapour pressure. | (ii) Rast's method. |
| (c) Elevation in boiling point. | (iii) Ostwald and Walker's method. |
| (d) Depression in freezing point. | (iv) Berkeley and Hartley's method. |
$C{H_3}C{H_2}OH\xrightarrow{{P + {I_2}}}A\xrightarrow[{Ether}]{{Mg}}B $ $\xrightarrow{{HCHO}}C\xrightarrow{{{H_2}O}}D,$
then compound $'D'$ is -