Alcohols Phenols And Ethers Test

Alcohols Phenols And Ethers

This is alcohols phenols and ethers Test-03 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
One mole of an organic compound 'A' with the formula C3H8O reacts completely with two moles of HI to form X and Y. When 'Y' is boiled with aqueous alkali forms Z. Z answers the iodoform test. The compound 'A' is ______.
  • A
    Propan – 2 – o1
  • B
    ethoxyethane
  • C
    Propan – 1 – o1
  • D
    methoxyethane
    Correct
2
With dilute nitric acid at low temperature (298 K),phenol yields:
  • A
    a mixture of ortho and para nitro phenols
    Correct
  • B
    p – Nitrophenol
  • C
    m – Nitrophenol
  • D
    o – Nitrophenol
3
In alcohols, increase of branching in carbon chain results in boiling point
  • A
    decrease
    Correct
  • B
    remains the same
  • C
    None of these
  • D
    increase
4
More acidic than ethanol is
  • A
    Option A
  • B
    Option B
  • C
    Option C
    Correct
  • D
    Option D
5
Following are made up of compounds containing –OH groups.
  • A
    all of these
    Correct
  • B
    Paper
  • C
    cotton fabric
  • D
    Sugar
6
Alkenes react with water in the presence of acid as catalyst to form alcohols.
  • A
    all of these
    Correct
  • B
    Deprotonation to form alcohol
  • C
    nucleophilic attack of water on carbocation
  • D
    Protonation of alkene and carbocation
7
Ketones are reduced to the corresponding alcohols by catalytic hydrogenation to form
  • A
    primary alcohols
  • B
    tertiary alcohols
  • C
    secondary alcohols
    Correct
  • D
    None of these
8
What is the correct order of reactivity of alcohols in the following reaction?
Question 8 figure 1
  • A
    3° > 1° > 2°
  • B
    1° > 2° > 3°
  • C
    1° < 2° > 3°
  • D
    3° > 2° > 1°
    Correct
9
The process of converting alkyl halides into alcohols involves_____________.
  • A
    addition reaction
  • B
    substitution reaction
    Correct
  • C
    rearrangement reaction
  • D
    dehydrohalogenation reaction
10
Which of the following compounds is aromatic alcohol?
  • A
    A, D
  • B
    A, B, C, D
  • C
    A
  • D
    B, C
    Correct
11
Which of the following compounds will react with sodium hydroxide solution in water?
  • A
    $C_6H_5OH$
    Correct
  • B
    $C_6H_5CH_2OH$
  • C
    $C_2H_5OH$
  • D
    $(CH_3)_3COH$
12
Which of the following species can act as the strongest base?
  • A
    $ \begin{array}{*{20}{l}} {^{\Theta O}{C_6}{H_5}} \end{array}$
  • B
    $^\Theta OR$
    Correct
  • C
    Option C
  • D
    $^\Theta OH$
13
Give IUPAC name of the compound given below.
Question 13 figure 1
  • A
    2 – Hydroxy – 5 – chlorohexane
    Correct
  • B
    2 – Chloro – 5 – hydroxyhexane
  • C
    5 – Chlorohexan – 2 – ol
  • D
    2 – Chlorohexan – 5 – ol
14
A hydrocarbon C5H10 does not react with chlorine in dark but gives a single monochloro compound C5H9Cl in bright sunlight. The hydrocarbon is
  • A
    None of these
  • B
    Cyclopentane
    Correct
  • C
    Cyclopentene
  • D
    Cycloalkyne
15
Phenol is less acidic than ______________.
  • A
    o – nitrophenol
    Correct
  • B
    o – methylphenol
  • C
    o – methoxyphenol
  • D
    ethanol