1. Tardigrade
  2. Question
  3. Chemistry
  4. Which one/ones of the following reactions will yield 2 -propanol? I. CH 2= CH - CH 3+ H 2 O xrightarrow H + II. CH3 - CHO xrightarrow[(ii)H2O](i)CH3MgI III. CH2O xrightarrow[(ii)H2O](i)C2H2MgI IV. CH2 = CH - CH3 xrightarrow textNeutral KMnO4

Q. Which one/ones of the following reactions will yield $2$ -propanol?
I. $CH _{2}= CH - CH _{3}+ H _{2} O\xrightarrow {H ^{+}}$
II. $CH_3 - CHO \xrightarrow[{(ii)H_2}O]{(i)CH_3MgI} $
III. $CH_2O \xrightarrow[{(ii)H_2O}]{(i)C_2H_2MgI} $
IV. $CH_2 = CH - CH_3 \xrightarrow{\text{Neutral} KMnO_4} $

Alcohols Phenols and Ethers Report Error

Solution:

I. $CH_3CH = CH_2 + H_2O \xrightarrow{H^+} CH_3\overset{\underset{|}{O}H}{C}HCH_3$
II. $CH_3CHO \xrightarrow[(ii)H_2O]{(i)CH_3MgI} CH_3\overset{\underset{|}{O}H}{C}HCH_3$
III. $CH_2O \xrightarrow[(ii)H_2O]{(i)C_2H_5MgI} C_2H_5CH_2OH$
IV. $CH_3CH = CH_2 \xrightarrow[\text{neutral}]{KMnO_4} CH_3\underset{\overset{|}{HO}}{CH}\underset{\overset{|}{OH}}{C}H_2$

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3. Assertion: Phenol reacts with $CH_3I$ in presence of NaOH to form methoxybenzene.
Reason : Phenoxide is better nucleophile than phenol.

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4. Assertion : Hydroquinone is more acidic than resorcinol.
Reason : $-OH$ group shows $+I -effect$.

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5. Dehydration of which one of the following alcohols produces an alkene exhibiting $cis-trans$ isomerism?

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