MCQ
Amongst the following alcohols which would react fastest with conc. $HCl$ and $ZnCl_2$ ?
- Apentanol
- B$2-$ methyl butanol
- C$2-$ pentanol
- ✓$2-$ methyl butan $-2-$ ol
✓
Answer
Correct option: D.
$2-$ methyl butan $-2-$ ol
d
$ZnCl_2 +$ cone . $HCl$ is Lucas reagent . Lucas reagent reacts fastest with tertiary alcohol. $3^o$ alcohol $+$ Lucas reagent $=$ Immediate turbidity
$ZnCl_2 +$ cone . $HCl$ is Lucas reagent . Lucas reagent reacts fastest with tertiary alcohol. $3^o$ alcohol $+$ Lucas reagent $=$ Immediate turbidity
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which one of the following compounds in aqueous solution gives a white precipitate with perchloric acid
Which of the following compound does not liberate oxygen gas on warming with cone. $H_2SO_4$ ?
→$K_{sp}$ of $M(OH)_2$ is $3.2\times10^{-11}$. The $pH$ of saturated solution in water is
→For a spontaneous process, the correct statement is
Which is a reducing sugar
Consider the given data :
(a) $HCl ( g )+10 H _2 O ( l ) \rightarrow HCl .10 H _2 O$$\quad$$\Delta H =-69.01$ $kJ$ $mol ^{-1}$
(b) $HCl ( g )+40 H _2 O ( l ) \rightarrow HCl .40 H _2 O$$\quad$$\Delta H =-72.79$ $kJ$ $mol ^{-1}$
Choose the correct statement :
→(a) $HCl ( g )+10 H _2 O ( l ) \rightarrow HCl .10 H _2 O$$\quad$$\Delta H =-69.01$ $kJ$ $mol ^{-1}$
(b) $HCl ( g )+40 H _2 O ( l ) \rightarrow HCl .40 H _2 O$$\quad$$\Delta H =-72.79$ $kJ$ $mol ^{-1}$
Choose the correct statement :
Which of the following ketone will NOT give enamine on treatment with secondary amines?
Find correct one
The order of increasing sizes of atomic radii among the elements $O , S, Se$ and $As$ is
→Which of the following statements is not true for ethane