(B) When tertiary butanol ($3^{\circ}$ alcohol) is passed over heated $Cu$ at $573 \ K$,isobutene is formed through an elimination reaction.Since a wa

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(B) When tertiary butanol ($3^{\circ}$ alcohol) is passed over heated $Cu$ at $573 \ K$,isobutene is formed through an elimination reaction.Since a water molecule is eliminated from the alcohol,this process is specifically classified as a dehydration reaction.In contrast,$1^{\circ}$ alcohols undergo dehydrogenation to form aldehydes,and $2^{\circ}$ alcohols undergo dehydrogenation to form ketones under the same conditions.

Class 12 Chemistry Alcohols, Phenols and Ethers Properties of alcohol

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Which of the following reactions takes place when tertiary butanol is passed over heated copper at $573 \ K$?

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A
Dehydrogenation reaction
B
Dehydration reaction
C
Oxidation reaction
D
Addition reaction

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Class 12 Questions

Class 12

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Chapter

Alcohols, Phenols and Ethers

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Properties of alcohol

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Give the structures of $A$,$B$,and $C$ in the following reaction:
$CH_3-CH_2-CH(OH)-CH_3$ $\xrightarrow{Cu, 520 \ K} (A)$ $\xrightarrow{C_2H_5MgBr} (B)$ $\xrightarrow{H_3O^+} (C)$

Medium

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Write the reactions for the conversion of methanol into ethanol,propan-$2$-ol,and $2$-methylpropan-$2$-ol.

Medium

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Arrange the following in order of their reactivity when reacting with $HCl/ZnCl_2$ (Lucas reagent):
$I. CH_3-C(CH_3)_2-OH$
$II. CH_3-CH(CH_3)-OH$
$III. CH_3-CH_2-OH$
$IV. Ph-C(CH_3)_2-OH$

Medium

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In the reaction of alcohols with alkali metals,acids,etc.,which of the following alcohols will react fastest?

Easy

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Identify $Z$ in the reaction sequence: $CH_3CH_2CH_2Br$ $\xrightarrow{Aq. NaOH} X$ $\xrightarrow{Al_2O_3, \Delta} Y$ $\xrightarrow{Cl_2/H_2O} Z$

AIIMS 2014

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Which of the following reactions takes place when tertiary butanol is passed over heated copper at $573 \ K$?

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Give the structures of $A$,$B$,and $C$ in the following reaction:$CH_3-CH_2-CH(OH)-CH_3$ $\xrightarrow{Cu, 520 \ K} (A)$ $\xrightarrow{C_2H_5MgBr} (B)$ $\xrightarrow{H_3O^+} (C)$

Write the reactions for the conversion of methanol into ethanol,propan-$2$-ol,and $2$-methylpropan-$2$-ol.

Arrange the following in order of their reactivity when reacting with $HCl/ZnCl_2$ (Lucas reagent):$I. CH_3-C(CH_3)_2-OH$$II. CH_3-CH(CH_3)-OH$$III. CH_3-CH_2-OH$$IV. Ph-C(CH_3)_2-OH$

In the reaction of alcohols with alkali metals,acids,etc.,which of the following alcohols will react fastest?

Identify $Z$ in the reaction sequence: $CH_3CH_2CH_2Br$ $\xrightarrow{Aq. NaOH} X$ $\xrightarrow{Al_2O_3, \Delta} Y$ $\xrightarrow{Cl_2/H_2O} Z$

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Give the structures of $A$,$B$,and $C$ in the following reaction:
$CH_3-CH_2-CH(OH)-CH_3$ $\xrightarrow{Cu, 520 \ K} (A)$ $\xrightarrow{C_2H_5MgBr} (B)$ $\xrightarrow{H_3O^+} (C)$

Arrange the following in order of their reactivity when reacting with $HCl/ZnCl_2$ (Lucas reagent):
$I. CH_3-C(CH_3)_2-OH$
$II. CH_3-CH(CH_3)-OH$
$III. CH_3-CH_2-OH$
$IV. Ph-C(CH_3)_2-OH$