The reactions which cannot be applied to prepare an alkene by elimination are: Choose the correct answer from the options given below $:$
$A.$ $2$-bromomethylcyclohexane + $NaOEt$
$B.$ $2$-bromobutane + $KOH$ (aq.)
$C.$ $2$-bromo-$2$-methylpropane + $NaOMe$
$D.$ Phenol + $Na_2Cr_2O_7 / H_2SO_4$
$E.$ $2$-methylpropan-$2$-ol + $Cu$ at $573 \ K$
$A.$ $2$-bromomethylcyclohexane + $NaOEt$
$B.$ $2$-bromobutane + $KOH$ (aq.)
$C.$ $2$-bromo-$2$-methylpropane + $NaOMe$
$D.$ Phenol + $Na_2Cr_2O_7 / H_2SO_4$
$E.$ $2$-methylpropan-$2$-ol + $Cu$ at $573 \ K$
- A$B \& E$ Only
- B$B, C \& D$ Only
- C$A, C \& D$ Only
- D$B \& D$ Only
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Similar Questions
Match the reactions in Column-$A$ with the products in Column-$B$ and select the correct option:
Column-$A$ Column-$B$ $(1)$ $CH_3-CH_2-Cl + KOH_{(aq)} \rightarrow$ $(A)$ $1,2-\text{dichloroethane}$ $(2)$ $CH_3-CH_2-CH_2-CH_3 \xrightarrow{AlCl_3/HCl}$ $(B)$ $\text{Chloromethane}$ $(3)$ $CH_3-CH_2-Br + \text{alc. } KOH \rightarrow$ $(C)$ $\text{But-2-ene}$ $(4)$ $CH_2=CH_2 + Cl_2 \rightarrow$ $(D)$ $\text{Ethanol}$ $(E)$ $\text{Chloroethane}$ $(F)$ $\text{Ethene}$ $(G)$ $\text{Isobutane}$
| Column-$A$ | Column-$B$ |
|---|---|
| $(1)$ $CH_3-CH_2-Cl + KOH_{(aq)} \rightarrow$ | $(A)$ $1,2-\text{dichloroethane}$ |
| $(2)$ $CH_3-CH_2-CH_2-CH_3 \xrightarrow{AlCl_3/HCl}$ | $(B)$ $\text{Chloromethane}$ |
| $(3)$ $CH_3-CH_2-Br + \text{alc. } KOH \rightarrow$ | $(C)$ $\text{But-2-ene}$ |
| $(4)$ $CH_2=CH_2 + Cl_2 \rightarrow$ | $(D)$ $\text{Ethanol}$ |
| $(E)$ $\text{Chloroethane}$ | |
| $(F)$ $\text{Ethene}$ | |
| $(G)$ $\text{Isobutane}$ |
Difficult
View SolutionThe possible products formed in the following reaction are:
Match the type of reaction given in Column-$I$ with the reaction in Column-$II$.
Column-$I$ (Reactants) Column-$II$ (Type of Reaction) $(A)$ $C_6H_5NH_2 \xrightarrow{NaNO_2, HX, 273-278 K} C_6H_5N_2^+X^-$ $(i)$ Wurtz-Fittig reaction $(B)$ $C_6H_5N_2^+X^- \xrightarrow{Cu_2X_2} C_6H_5X$ $(ii)$ Diazotization $(C)$ $C_6H_6 + 2Na + RX \xrightarrow{\text{dry ether}} C_6H_5R$ $(iii)$ Sandmeyer reaction $(D)$ $2C_6H_6 + 2Na \xrightarrow{\text{dry ether}} C_6H_5-C_6H_5$ $(iv)$ Fittig reaction
| Column-$I$ (Reactants) | Column-$II$ (Type of Reaction) |
|---|---|
| $(A)$ $C_6H_5NH_2 \xrightarrow{NaNO_2, HX, 273-278 K} C_6H_5N_2^+X^-$ | $(i)$ Wurtz-Fittig reaction |
| $(B)$ $C_6H_5N_2^+X^- \xrightarrow{Cu_2X_2} C_6H_5X$ | $(ii)$ Diazotization |
| $(C)$ $C_6H_6 + 2Na + RX \xrightarrow{\text{dry ether}} C_6H_5R$ | $(iii)$ Sandmeyer reaction |
| $(D)$ $2C_6H_6 + 2Na \xrightarrow{\text{dry ether}} C_6H_5-C_6H_5$ | $(iv)$ Fittig reaction |
Medium
View SolutionEthylene dichloride and ethylidene chloride are isomeric compounds. The false statement about these isomers is that they
Difficult
View SolutionWhen $32.25 \ g$ of ethyl chloride undergoes dehydrohalogenation,it yields $50\%$ of the theoretical alkene product. What is the mass of the product obtained in $g$? (Atomic mass: $Cl = 35.5, C = 12, H = 1$)
Medium
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