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Q 1/50
Score 0
How are alcohols prepared from haloalkanes?
120
By treating with a strong reducing agent
By treating with Mg metal
By heating with aqueous NaOH
By treating with concentrated H2SO4
Q 2/50
Score 0
Which of the following process do not yield alcohols?
120
Hydroboration-oxidation of alkenes
Free radical halogenation of alkanes
Acid catalysed hydration of alkenes
Reduction of aldehydes
50 questions
Q.
How are alcohols prepared from haloalkanes?
1
120 sec
Q.
Which of the following process do not yield alcohols?
2
120 sec
Q.
Identify the catalyst in the hydration of alkenes to produce alcohols.
3
120 sec
Q.
Propene when reacted with water in the presence of H2SO4 gives _________
4
120 sec
Q.
The first step of the acid catalysed hydration of alkenes, involves the protonation of alkene to form a carbocation by electrophilic attack of _______
5
120 sec
Q.
Identify the nucleophile that attacks the carbocation in the second step of acid catalysed hydration of alkenes?
6
120 sec
Q.
Name the following step from the mechanism of acid catalysed hydration of ethene.
7
120 sec
Q.
Which compound reacts with propene to form tripropyl borane?
8
120 sec
Q.
Which of the following is not required for the conversion of trialkyl borane to an alcohol?
9
120 sec
Q.
Propan-2-ol can be prepared form the hydroboration-oxidation of propene.
10
120 sec
Q.
What happens when an aldehyde is treated with lithium aluminium hydride?
11
120 sec
Q.
Which carbonyl compound yields secondary alcohols when treated with LiAlH4?
12
120 sec
Q.
Phenol can be obtained by ________ of sodium phenoxide.
13
120 sec
Q.
Cumene hydroperoxide on hydrolysis with dilute H2SO4Â gives _________
14
120 sec
Q.
How is carbolic acid prepared from benzene diazonium chloride?
15
120 sec
Q.
Identify the compound ‘X’.
16
120 sec
Q.
Which of the following isomeric alcohols is the most soluble in water?
17
120 sec
Q.
Which of the following is the least soluble in water?
18
120 sec
Q.
Which of the following is necessary for the bromination of phenol?
19
120 sec
Q.
Phenol is approximately how much times acidic than ethanol?
20
120 sec
Q.
Phenols are not soluble in which of the following?
21
120 sec
Q.
What is the correct order of boiling points of alcohols having the same number of carbon atoms?
22
120 sec
Q.
Four compounds A, B, C and D having similar molecular masses were tested for their boiling points. It was found that compound C has the highest boiling point of all four. What is the compound C most likely to be?
23
120 sec
Q.
If the boiling point of methoxymethane is 248K, predict the boiling point of ethanol.
24
120 sec
Q.
When the bond between O and H of the hydroxyl group is broken, alcohols react as ________
25
120 sec
Q.
Alcohols and phenols are ________
26
120 sec
Q.
What is the correct relation between acidic strength of primary, secondary and tertiary alcohols?
27
120 sec
Q.
Water is a ______ than alcohol.
28
120 sec
Q.
Phenols are stronger acids than alcohols.
29
120 sec
Q.
Which of the following compounds is the best proton acceptor?
30
120 sec
Q.
Which of the following phenols is the most acidic?
31
120 sec
Q.
What is the role of concentrated H2SO4Â in the reaction between alcohol and carboxylic acid?
32
120 sec
Q.
Which of the following alcohols is the most reactive towards esterification reaction?
33
120 sec
Q.
Identify the products of the following reaction: Methyl alcohol + Ethyl magnesium bromide = ?
34
120 sec
Q.
What is the catalyst used in the acetylation of alcohols?
35
120 sec
Q.
Aspirin is produced from the reaction between salicylic acid and which compound?
36
120 sec
Q.
What is the correct order of reactivity of alcohols toward reactions involving cleavage of C-O bond?
37
120 sec
Q.
The oxidation of alcohol involves the cleavage of _____ bonds.
38
120 sec
Q.
Which of the following oxidising agents is used to obtain carboxylic acids directly from alcohols?
39
120 sec
Q.
Which of the following compounds gives a ketone when its vapours are passes over heated copper at 573K?
40
120 sec
Q.
Ortho and para isomers of nitrophenol can be separated by ________ distillation.
41
120 sec
Q.
Identify the product of the following reaction.
42
120 sec
Q.
What is formed when phenol is reacted with bromine water?
43
120 sec
Q.
Which of the following is incorrect regarding Kolbe’s reaction?
44
120 sec
Q.
What is the final major product of Reimer-Tiemann reaction?
45
120 sec
Q.
Which compound can covert phenol back to benzene?
46
120 sec
Q.
In the presence of air, phenols slowly start to form dark coloured mixtures.
47
120 sec
Q.
Lucas test was conducted on three compounds A, B and C. Compounds A and B showed turbidity at room temperature, but compound C became turbid only after heating. Which of the compounds has a tertiary structure?
48
120 sec
Q.
What is the catalyst used in the following reaction?
49
120 sec
Q.
Propan-2-ol undergoes acidic dehydration relatively at a lower temperature than propan-1-ol.
