JEE Chemistry - Alcohols, Phenols and Ethers

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Question - 1

How many of the following alcohols are secondary in nature?
Butan -2 -ol, 2,2 - dimethylpropan - l -ol, propan- I .2-diol, 2-methylpropan - 2 -ol, propan- l, 3 -diol, propan - 2-ol, cyc lobutanol, 2-methylcyclopentanol, propan - 1,2,3 - triol

  • A 7
  • B 6
  • C 10
  • D 9

Question - 2

How many alcohols from the folowing set wiil field geometric isomers on dehydration?
Propan-2-ol, 2-methylpropan - 1 - ol, pentan - 2 - ol, ethanol, propan- I -ol, 2 - methylpropan - 2 - ol, butan- I -ol, butan-2-ol, hexan-3 - ol

  • A 6
  • B 4
  • C 3
  • D 2

Question - 3

How many of the following compounds will have higher boiling point than butan -2-ol?

  • A 10
  • B 7
  • C 3
  • D 4

Question - 4

Alcohol +  Lucas reagent \(\longrightarrow\)  Immediate turbidity
How many of the following will give above test positive?
2 -Methyl propan-2-ol, butan- I  -ol,
2 -methylpropan -1 - ol, 2,2 _ di methylpropan -I -o l,
2,4-dimethylpentan -2-ol, propan -1,3 -diol

  • A 41
  • B 9
  • C 2
  • D 7

Question - 5

\(\text { 3-Methylbutan-2-ol + HI } \stackrel{\Delta}{\longrightarrow} \mathrm{X}\)
Identify the position of the nucleophile in product 'X'?

  • A 9
  • B 10
  • C 4
  • D 2

Question - 6

A secondary alcohol is possible for a minimum ________C-atoms.

  • A 3
  • B 41
  • C 10
  • D 12

Question - 7

How many of the following compounds will give positive iodoform test?
Butan-2-ol, l-cyclobufylethanol, benzyl alcohol,
ethanol, propan-l-ol, phenol, propan -2 -ol,
pentan-3-ol, methanol, 2-methylpropan -l -ol,
butan- I -ol, I -phenylethano

  • A 7
  • B 5
  • C 10
  • D 12

Question - 8

How many isomeric compounds can be represented by formula C4H10O? (Exclude their stereoisomers if any.)

  • A 8
  • B 7
  • C 10
  • D 12

Question - 9

How many metamers can be represented by formula C5H12O? (Exclude their stereoisomers if any.)

  • A 5
  • B 12
  • C 6
  • D 10

Question - 10


How many electron withdrawing groups is/are present in the final product 'Q'?

  • A 10
  • B 12
  • C 14
  • D 3