Correct reactivity order of alkyl halide towards dehydrohalogenation-
- A$3^{\circ} > 2^{\circ} > 1^{\circ}$
- B$1^{\circ} > 2^{\circ} > 3^{\circ}$
- C$2^{\circ} > 1^{\circ} > 3^{\circ}$
- D$1^{\circ} > 3^{\circ} > 2^{\circ}$
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Similar Questions
Which one of the following is not true for the hydrolysis of $t$-butyl bromide with aqueous $NaOH$?
MediumKCET 2011
View SolutionThe product of which of the following reactions undergoes hydrolysis by the $S_N 1$ mechanism?
$1-$chlorobutane on treatment with alcoholic potash forms
Match the following:
Column $I$ Column $II$ $A$. $CH_3-CHBr-CD_3$ on treatment with alc. $KOH$ gives $CH_2=CH-CD_3$ as a major product. $P$. $E1$ reaction $B$. $Ph-CHBr-CH_3$ reacts faster than $Ph-CHBr-CD_3$. $Q$. $E2$ reaction $C$. $Ph-CH_2-CH_2Br$ on treatment with $C_2H_5OD / C_2H_5O^-$ gives $Ph-CD=CH_2$ as the major product. $R$. $E1cb$ reaction $D$. $PhCH_2CH_2Br$ and $PhCD_2CH_2Br$ react with same rate. $S$. First order reaction
| Column $I$ | Column $II$ |
| $A$. $CH_3-CHBr-CD_3$ on treatment with alc. $KOH$ gives $CH_2=CH-CD_3$ as a major product. | $P$. $E1$ reaction |
| $B$. $Ph-CHBr-CH_3$ reacts faster than $Ph-CHBr-CD_3$. | $Q$. $E2$ reaction |
| $C$. $Ph-CH_2-CH_2Br$ on treatment with $C_2H_5OD / C_2H_5O^-$ gives $Ph-CD=CH_2$ as the major product. | $R$. $E1cb$ reaction |
| $D$. $PhCH_2CH_2Br$ and $PhCD_2CH_2Br$ react with same rate. | $S$. First order reaction |
The following reaction is a/an:
$CH_3-CH_2-CH_2-Br \xrightarrow{KOH} CH_3-CH=CH_2 + KBr + H_2O$
$CH_3-CH_2-CH_2-Br \xrightarrow{KOH} CH_3-CH=CH_2 + KBr + H_2O$
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