Alcohol Phenol and Ether Test 5

Total Questions:50 Total Time: 75 Min



Questions 1 of 50

Question:1, 2, 3-trihydroxybenzene is also known as

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Questions 2 of 50

Question:Butanal is an example of

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Primary alcohol

Secondary alcohol

Aliphatic aldehyde

Aliphatic ketone

Questions 3 of 50

Question:Cyclohexanol is a

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Primary alcohol

Secondary alcohol

Tertiary alcohol


Questions 4 of 50

Question:Acetals are

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Hydroxy aldehydes

Questions 5 of 50

Question:In ethers, the C - O - C bond angle is

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Questions 6 of 50

Question:According to Lewis concept of acids and bases, ether is

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Questions 7 of 50

Question:In the commercial manufacture of ethyl alcohol from starchy substances by fermentation method, which enzymes stepwise complete the fermentation reaction

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Diastase, maltase and zymase

Maltase, zymase and invertase

Diastase, zymase and lactase

Diastase, invertase and zymase

Questions 8 of 50

Question:Primary alcohols can be obtained from the reaction of the RMgX with

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Questions 9 of 50

Question:On heating aqueous solution of benzene diazonium chloride, which is formed

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Questions 10 of 50

Question:Grignard reagent reacts with compounds containing which of the following groups

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\( > C = O\)

\( - C \equiv N\)

\( > C = S\)

All of these

Questions 11 of 50

Question:Oil \( + NaO{H_{(aq)}} \to \)Glycerol + Soap . Above reaction is called

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None of these

Questions 12 of 50

Question:Acetone on treatment with \(C{H_3} - Mg - I\) and on further hydrolysis gives

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Isopropyl alcohol

Primary alcohol

Acetic acid

2-methyl 2-propanol

Questions 13 of 50

Question:From Williamson's synthesis preparation of which of following is possible

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Only symmetrical ethers

Only symmetrical ethers

Both types

None of these

Questions 14 of 50

Question:In the reaction \(Ar - OH + Rx \to A,\) A is

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An aldehyde

An aryl chloride

An ether

A ketone

Questions 15 of 50

Question:Alkenes convert into alcohols by

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Hydrolysis by dil. \({H_2}S{O_4}\)

Hydration of alkene by alkaline \(KMn{O_4}\)

Hydrolysis by water vapours and conc. \({H_2}S{O_4}\)

Hydration of alkene by aqueous KOH

Questions 16 of 50

Question:Acetic acid and \(C{H_3}OH\) are obtained on large scale by destructive distillation of

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Crude oil

Questions 17 of 50

Question:Reaction of phenol with dil. \(HN{O_3}\) gives

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p and m-nitrophenols

o- and p-nitrophenols

Picric acid

o- and m-nitrophenols

Questions 18 of 50

Question:Phenol is less acidic than

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Acetic acid


Both (1) and (2)

None of these

Questions 19 of 50

Question:Which of the following statements is correct

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Phenol is less acidic than ethyl alcohol

Phenol is more acidic than ethyl alcohol

Phenol is more acidic than carboxylic acid

Phenol is more acidic than carbonic acid

Questions 20 of 50

Question:Boiling point of alcohol is comparatively higher than that corresponding alkane due to

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Intermolecular hydrogen bonding

Intramolecular hydrogen bonding

Volatile nature

None of these

Questions 21 of 50

Question:Sodium phenoxide reacts with \(C{O_2}\) at \(400K\) and 4-7 atm pressure to give

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Sodium salicylate



Benzoic acid

Questions 22 of 50

Question:The reaction of \({C_2}{H_5}OH\) with \({H_2}S{O_4}\) does not give

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Diethyl ether


Ethyl hydrogen sulphate

Questions 23 of 50

Question:Phenol is treated with bromine water and shaken well. The white precipitate formed during the process is

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2, 4-dibromophenol

2, 4, 6-tribromophenol

A mixture of o- and p-bromophenols

Questions 24 of 50

Question:Which compound has the highest boiling point

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Diethyl ether



Questions 25 of 50

Question:When phenol reacts with ammonia in presence of \(ZnC{l_2}\)at 300\(^\circ \)C, it gives

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Primary amine

Secondary amine

Tertiary amine

Both 1 and 2

Questions 26 of 50

Question:Azo-dyes are prepared from

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Benzoic acid


Questions 27 of 50

Question:In the sequence of the following reactions \(C{H_3}C{H_2}OH\) \( \to X \to \) \(C{H_3}COOH\) X is

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Questions 28 of 50

Question:The boiling point of glycerol is more than propanol because of

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Hydrogen bonding



All the above

Questions 29 of 50

Question:Read the following statements carefully : (A)A secondary alcohol on oxidation gives a ketone (B)Ethanol reacts with conc. \({H_2}S{O_4}\) at \({180^o}C\) to yield ethylene (C)Methanol reacts with iodine and sodium hydroxide to give a yellow precipitate of iodoform (D)Hydrogen gas is liberated when sodium is added to alcohol. Select the correct statements from the above set:

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A, B

C, D

A, B, D

A, C, D

Questions 30 of 50

Question:Carbylamine test is done by heating alcoholic KOH with

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Chloroform and silver powder

Trihalogen methane and primary amine

Alkyl halide and primary amine

Alkyl cyanide and primary amine

Questions 31 of 50

Question:What amount of bromine will be required to convert 2 g of phenol into 2, 4, 6-tribromophenol

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Questions 32 of 50

Question:Ethyl alcohol exhibits acidic character on reacting with

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Acetic acid

Sodium metal

Hydrogen iodide

Acidic potassium dichromate

Questions 33 of 50

Question:The alcohol which does not give a stable compound on dehydration is

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Ethyl alcohol

Methyl alcohol

n-propyl alcohol

n-butyl alcohol

Questions 34 of 50

Question:When ethyl alcohol \(({C_2}{H_5}OH)\) is mixed with ammonia and passed over heated alumina, the compound formed is

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Questions 35 of 50

Question:The process of manufacture of absolute alcohol from rectified spirit is

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Fractional distillation

Steam distillation

Azeotropic distillation

Vacuum distillation

Questions 36 of 50

Question:When ethyl alcohol reacts with acetic acid, the products formed are

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Sodium ethoxide + hydrogen

Ethyl acetate + water

Ethyl acetate + soap

Ethyl alcohol + water

Questions 37 of 50

Question:The ring deuteration of phenol

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Lowers the acidity

Increases the acidity

Imparts no effect

Causes amphoteric nature

Questions 38 of 50

Question:In esterification of an acid, the other reagent is

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Questions 39 of 50

Question:Ether is formed when ethyl alcohol is heated with conc. \({H_2}S{O_4}.\) The conditions are

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Excess of \({H_2}S{O_4}\) and \({170^o}C\)

Excess of \({C_2}{H_5}OH\) and \({140^o}C\)

Excess of \({C_2}{H_5}OH\) and \({180^o}C\)

Excess of conc. \({H_2}S{O_4}\) and \({100^o}C\)

Questions 40 of 50

Question:Addition of alcohols to aldehydes in presence of anhydrous acids yield

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Carboxylic acids


Cyclic ethers


Questions 41 of 50

Question:Which of the following will not form a yellow precipitate on heating with an alkaline solution of iodine

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Questions 42 of 50

Question:Which of the following reagents will produce salicyldehyde on reaction with phenol

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Questions 43 of 50

Question:What is formed when glycerol reacts with HI

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\(\mathop {\mathop C\limits_|^| HI\;\;\;\;\,}\limits_{C{H_2}OH}^{C{H_2}OH} \)

\(\mathop {\mathop C\limits_|^{||} H\;\;}\limits_{C{H_2}I}^{C{H_2}\;} \)

\(\mathop {\mathop C\limits_|^| {H_2}}\limits_{C{H_3}}^{C{H_3}} \)

\(\mathop {\mathop C\limits_|^| = O\;\;}\limits_{C{H_3}\;\;\;\;}^{C{H_2}OH} \)

Questions 44 of 50

Question:The dehydration of 2-methyl butanol with conc. \({H_2}S{O_4}\) gives

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2-methyl butene as major product


2-methyl but-2-ene as major product

2-methyl pent-2-ene

Questions 45 of 50

Question:Glycerol is used in the manufacture of

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Soft drinks

Questions 46 of 50

Question:Glycerol as a triester present in

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Vegetable oil and fat


Questions 47 of 50

Question:In presence of air, fermentation of ethyl alcohol by azotobactor bacteria forms

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\(C{H_2} = C{H_2}\)




Questions 48 of 50

Question:Liquor poisoning is due to

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Presence of bad compound in liquor

Presence of methyl alcohol

Presence of ethyl alcohol

Presence of carbonic acid

Questions 49 of 50

Question:In order to make alcohol undrinkable pyridine and methanol are added to it. The resulting alcohol is called

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Power alcohol

Proof spirit

Denatured spirit

Poison alcohol

Questions 50 of 50

Question:Denatured spirit is mainly used as a

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Good fuel


Solvent in preparing varnishes

Material in the preparation of oil