Q. Which of the following reactions is feasible for the preparation of 1-propoxy-2-methyl propane (I)?

Alcohols Phenols and Ethers Report Error

Williamson's synthesis of $\left( Me _{2} CHCH _{2} ONa \right.$ $\left.+ MeCH _{2} CH _{2} Cl \right)$.

Williamson's synthesis of $Me _{2} CHCH _{2} Cl$ $\left.+ MeCH _{2} CH _{2} ONa \right)$.

Alkoxy mercuration-demercuration of $\left( Me _{2} CH = CH _{2}+ MeCH _{2} CH _{2} OH \right)$.

Alkoxy mercuration demercuration of propene with $Me _{2} CHCH _{2} OH$.

Solution:

Correct answer is (a) Williamson's synthesis of $\left( Me _{2} CHCH _{2} ONa \right.$ $\left.+ MeCH _{2} CH _{2} Cl \right)$.Correct answer is (b) Williamson's synthesis of $Me _{2} CHCH _{2} Cl$ $\left.+ MeCH _{2} CH _{2} ONa \right)$.

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2. An unknown alcohol is treated with the Lucas reagent to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism?

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$\frac{1}{2} O _{2}+2 H ^{+}+2 e ^{-} \rightarrow H _{2} O ,$
$ E _{ O _{2} / H _{2} O }^{\circ}=+1.223 \,V$
Will the permanganate ion, $MnO _{4}^{-}$liberate $O _{2}$ from water in the presence of an acid ?

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