MCQ
$HO - (CH_2)_6 - OH,$ this conversion can be achieved by


- A$O_3 , Zn,$ then $LiAlH_4$
- B$O_3 /H_2O_2,$ then $LiAlH_4$
- Ccold dil. $KMnO_4 , HIO_4$ then $LiAlH_4$
- ✓all of these


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$(A)$ The elevation in boiling point temperature of water will be same for $0.1 M NaCl$ and $0.1 M$ urea.
$(B)$ Azeotropic mixtures boil without change in their composition
$(C)$ Osmosis always takes place from hypertonic to hypotonic solution
$(D)$ The density of $32 \% H _2 SO _4$ solution having molarity $4.09\,M$ is approximately $1.26\,g\,mL ^{-1}$
$(E)$ A negatively charged sol is obtained when $KI$ solution is added to silver nitrate solution.
Choose the correct answer from the options given below :

(Given : $h =6.63 \times 10^{-34} \,Js$ and $c =3.08 \times 10^{8} \,ms ^{-1}$ )