Alcohol Phenol and Ether Test 5

Total Questions:50 Total Time: 75 Min

Remaining:

 

Questions 1 of 50

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

Answers Choices:

Pyrogallol

Phloroglucinol

Resorcinol

Quinol

Questions 2 of 50

Question:Butanal is an example of

Answers Choices:

Primary alcohol

Secondary alcohol

Aliphatic aldehyde

Aliphatic ketone

Questions 3 of 50

Question:Cyclohexanol is a

Answers Choices:

Primary alcohol

Secondary alcohol

Tertiary alcohol

Phenol

Questions 4 of 50

Question:Acetals are

Answers Choices:

Ketones

Diethers

Aldehyde

Hydroxy aldehydes

Questions 5 of 50

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

Answers Choices:

\({180^o}\)

\({90^o}\)

\({110^o}\)

\({160^o}\)

Questions 6 of 50

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

Answers Choices:

Acidic

Basic

Neutral

Amphoteric

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

Answers Choices:

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

Answers Choices:

\(C{O_2}\)

\(HCHO\)

\(C{H_3}CHO\)

\({H_2}O\)

Questions 9 of 50

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

Answers Choices:

Benzene

Chlorobenzene

Phenol

Aniline

Questions 10 of 50

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

Answers Choices:

\( > C = O\)

\( - C \equiv N\)

\( > C = S\)

All of these

Questions 11 of 50

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

Answers Choices:

Saponification

Esterification

Hydrogenation

None of these

Questions 12 of 50

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

Answers Choices:

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

Answers Choices:

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

Answers Choices:

An aldehyde

An aryl chloride

An ether

A ketone

Questions 15 of 50

Question:Alkenes convert into alcohols by

Answers Choices:

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

Answers Choices:

Wood

Coal

Turpentine

Crude oil

Questions 17 of 50

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

Answers Choices:

p and m-nitrophenols

o- and p-nitrophenols

Picric acid

o- and m-nitrophenols

Questions 18 of 50

Question:Phenol is less acidic than

Answers Choices:

Acetic acid

p-nitrophenol

Both (1) and (2)

None of these

Questions 19 of 50

Question:Which of the following statements is correct

Answers Choices:

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

Answers Choices:

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

Answers Choices:

Sodium salicylate

Salicylaldehyde

Catechol

Benzoic acid

Questions 22 of 50

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

Answers Choices:

Ethylene

Diethyl ether

Acetylene

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

Answers Choices:

m-bromophenol

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

Answers Choices:

Acetone

Diethyl ether

Methanol

Ethanol

Questions 25 of 50

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

Answers Choices:

Primary amine

Secondary amine

Tertiary amine

Both 1 and 2

Questions 26 of 50

Question:Azo-dyes are prepared from

Answers Choices:

Aniline

Benzaldehye

Benzoic acid

Phenol

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

Answers Choices:

\(C{H_3}COC{H_3}\)

\(C{H_3}CHO\)

\(C{H_3}OC{H_3}\)

\(C{H_3}C{H_2}COOH\)

Questions 28 of 50

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

Answers Choices:

Hydrogen bonding

Hybridisation

Resonance

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:

Answers Choices:

A, B

C, D

A, B, D

A, C, D

Questions 30 of 50

Question:Carbylamine test is done by heating alcoholic KOH with

Answers Choices:

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

Answers Choices:

4

6

10.22

20.44

Questions 32 of 50

Question:Ethyl alcohol exhibits acidic character on reacting with

Answers Choices:

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

Answers Choices:

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

Answers Choices:

\({C_2}{H_5}N{H_2}\)

\({C_2}{H_4}\)

\({C_2}{H_5}O{C_2}{H_5}\)

\(C{H_3}OC{H_3}\)

Questions 35 of 50

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

Answers Choices:

Fractional distillation

Steam distillation

Azeotropic distillation

Vacuum distillation

Questions 36 of 50

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

Answers Choices:

Sodium ethoxide + hydrogen

Ethyl acetate + water

Ethyl acetate + soap

Ethyl alcohol + water

Questions 37 of 50

Question:The ring deuteration of phenol

Answers Choices:

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

Answers Choices:

Aldehyde

Alcohol

Amine

Water

Questions 39 of 50

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

Answers Choices:

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

Answers Choices:

Carboxylic acids

Ethers

Cyclic ethers

Acetals

Questions 41 of 50

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

Answers Choices:

\(C{H_3}OH\)

\(C{H_3}C{H_2}OH\)

\(C{H_3}CH(OH)C{H_3}\)

\(C{H_3}C{H_2}CH(OH)C{H_3}\)

Questions 42 of 50

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

Answers Choices:

\(CHC{l_3}/NaOH\)

\(CC{l_4}/NaOH\)

\(C{H_2}C{l_2}/NaOH\)

\(C{H_3}Cl/NaOH\)

Questions 43 of 50

Question:What is formed when glycerol reacts with HI

Answers Choices:

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

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

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

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

Questions 44 of 50

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

Answers Choices:

2-methyl butene as major product

Pentene

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

Answers Choices:

Dynamite

Varnish

Paints

Soft drinks

Questions 46 of 50

Question:Glycerol as a triester present in

Answers Choices:

Petroleum

Kerosene

Vegetable oil and fat

Naphtha

Questions 47 of 50

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

Answers Choices:

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

\({C_2}{H_6}\)

\(C{H_3}CHO\)

\(C{H_3}COOH\)

Questions 48 of 50

Question:Liquor poisoning is due to

Answers Choices:

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

Answers Choices:

Power alcohol

Proof spirit

Denatured spirit

Poison alcohol

Questions 50 of 50

Question:Denatured spirit is mainly used as a

Answers Choices:

Good fuel

Drug

Solvent in preparing varnishes

Material in the preparation of oil