Chemistry Alcohols Phenols 1 Online Exam Quiz
Chemistry Alcohols Phenols 1 GK Quiz. Question and Answers related to Chemistry Alcohols Phenols 1. MCQ (Multiple Choice Questions with answers about Chemistry Alcohols Phenols 1
Which of the following process do not yield alcohols?
Options
A : Acid catalysed hydration of alkenes
B : Hydroboration-oxidation of alkenes
C : Reduction of aldehydes
D : Free radical halogenation of alkanes
Which carbonyl compound yields secondary alcohols when treated with LiAlH4?
Options
A : Aldehyde
B : Ketone
C : Carboxylic acid
D : Ester
Which compound reacts with propene to form tripropyl borane?
Options
A : Borane
B : Diborane
C : Boric acid
D : Sodium borohydride
How are alcohols prepared from haloalkanes?
Options
A : By treating with concentrated H2SO4
B : By heating with aqueous NaOH
C : By treating with a strong reducing agent
D : By treating with Mg metal
Which of the following is not required for the conversion of trialkyl borane to an alcohol?
Options
A : Diborane
B : Water
C : Sodium hydroxide
D : Hydrogen peroxide
The first step of the acid catalysed hydration of alkenes, involves the protonation of alkene to form a carbocation by electrophilic attack of _______
Options
A : H+
B : H2O
C : H3O+
D : OH–
Identify the catalyst in the hydration of alkenes to produce alcohols.
Options
A : HCl
B : FeCl3
C : Pt
D : Ni
Which of the following aldehydes can produce 1o alcohols when treated with Grignard reagent?
Options
A : Methanal
B : Ethanal
C : Propanal
D : Butanal
Hydrolysis of the adduct formed form the reaction of ________ with methyl magnesium bromide gives 2-Methylpropan-2-ol.
Options
A : Methanal
B : Ethanal
C : Propanal
D : Propanone
Identify the nucleophile that attacks the carbocation in the second step of acid catalysed hydration of alkenes?
Options
A : OH–
B : H2O
C : H+
D : H3O+
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