Alcohol Phenol and Ether Test 1

Total Questions:50 Total Time: 75 Min

Remaining:

 

Questions 1 of 50

Question:Glycerol is a

Answers Choices:

Primary alcohol

Monohydric alcohol

Secondary alcohol

Trihydric alcohol

Questions 2 of 50

Question:Cresols are

Answers Choices:

Hydroxy toluenes

Dihydric phenols

Trihydric phenols

Trihydric alcohols

Questions 3 of 50

Question:Carbon percentage is maximum in

Answers Choices:

Pyrene

Gammexane

Ethylene glycol

PVC

Questions 4 of 50

Question:Carbolic acid is

Answers Choices:

Phenol

Phenyl benzoate

Phenyl acetate

Salol

Questions 5 of 50

Question:Absolute alcohol is

Answers Choices:

100% pure ethanol

95% alcohol + 5% \({H_2}O\)

Ethanol + water + phenol

95% ethanol + 5% methanol

Questions 6 of 50

Question:Which of the following is dihydric alcohol

Answers Choices:

Glycerol

Ethylene glycol

Catechol

Resorcinol

Questions 7 of 50

Question:Which of the following are known as mercaptans

Answers Choices:

Thio-alcohols

Thio-ethers

Thio-acids

Thio-aldehydes

Questions 8 of 50

Question:Ethanol is prepared industrially by

Answers Choices:

Hydration of ethylene

Fermentation of sugars

Both the above

None of these

Questions 9 of 50

Question:Ethyl alcohol is industrially prepared from ethylene by

Answers Choices:

Permanganate oxidation

Catalytic reduction

Absorbing in \({H_2}S{O_4}\) followed by hydrolysis

Fermentation

Questions 10 of 50

Question:The reaction given below is known as \({C_2}{H_5}ONa + I{C_2}{H_5} \to {C_2}{H_5}O{C_2}{H_5} + NaI\)

Answers Choices:

Kolbe's synthesis

Wurtz's synthesis

Williamson's synthesis

Grignard's synthesis

Questions 11 of 50

Question:Salicylaldehyde can be prepared from

Answers Choices:

Phenol and chloroform

Phenol, chloroform and sodium hydroxide

Phenol, carbon tetrachloride and NaOH

None of these

Questions 12 of 50

Question:If formaldehyde and potassium hydroxide are heated, then we get

Answers Choices:

Acetylene

Methane

Methyl alcohol

Ethyl formate

Questions 13 of 50

Question:Reaction of aqueous sodium hydroxide on (i) ethyl bromide and (ii) chlorobenzene gives

Answers Choices:

(i) Ethene and (ii) o-chlorophenol

(i) Ethyl alcohol and (ii) o-chlorophenol

(i) Ethyl alcohol and (ii) phenol

(i) Ethyl alcohol an d(ii) no reaction

Questions 14 of 50

Question:RMgBr on reaction with an excess of oxygen followed by hydrolysis gives

Answers Choices:

RH

ROOR

ROOH

ROH

Questions 15 of 50

Question:The reagent used for the preparation of higher ether from halogenated ethers is

Answers Choices:

conc. \({H_2}S{O_4}\)

Sodium alkoxide

Dry silver oxide

Grignard reagent

Questions 16 of 50

Question:Acetyl bromide reacts with excess of \(C{H_3}MgI\) followed by treatment with a saturated solution of \(N{H_4}Cl\) gives

Answers Choices:

2-methyl-2-propanol

Acetamide

Acetone

Acetyl iodide

Questions 17 of 50

Question:The boiling point of alcohol are......... than corresponding thiols

Answers Choices:

More

Same

Either of these

Less

Questions 18 of 50

Question:Methyl alcohol can be distinguished from ethyl alcohol using

Answers Choices:

Fehling solution

Schiff's reagent

Sodium hydroxide and iodine

Phthalein fusion test

Questions 19 of 50

Question:Glycerol was distilled with oxalic acid crystals and the products were led into Fehling solution and warmed. Cuprous oxide was precipitated. It is due to

Answers Choices:

CO

HCHO

\(C{H_3}CHO\)

HCOOH

Questions 20 of 50

Question:Kolbe-Schmidt reaction is used for

Answers Choices:

Salicylic acid

Salicylaldehyde

Phenol

Hydrocarbon

Questions 21 of 50

Question:The reaction of ethylene glycol with \(P{I_3}\)- gives

Answers Choices:

\(IC{H_2}C{H_2}I\)

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

\(C{H_2} = CHI\)

\(ICH = CHI\)

Questions 22 of 50

Question:The compound "A" when treated with ceric ammonium nitrate solution gives yellow ppt. The compound "A" is

Answers Choices:

Alcohol

Aldehyde

Acid

Alkane

Questions 23 of 50

Question:Compound A reacts with \(PC{l_5}\)to give B which on treatment with KCN followed by hydrolysis gave propionic acid. What is A and B respectively

Answers Choices:

\({C_3}{H_8}\) and \({C_3}{H_7}Cl\)

\({C_2}{H_6}\) and \({C_2}{H_5}Cl\)

\({C_2}{H_5}Cl\) and \({C_2}{H_5}Cl\)

\({C_2}{H_5}OH\) and \({C_2}{H_5}Cl\)

Questions 24 of 50

Question:The increasing order of acidity among phenol, p-methylphenol, m-nitrophenol and p-nitrophenol is

Answers Choices:

m-nitrophenol, p-nitrophenol, phenol, p-methylphenol

p-methylphenol, m-nitrophenol, phenol, p-nitrophenol

p-methylphenol, phenol, m-nitrophenol, p-nitrophenol

Phenol, p-methylphenol, p-nitrophenol, m-nitrophenol

Questions 25 of 50

Question:In the following series of chemical reactions, identify Z,

$${C_3}{H_7}OH\mathop {\buildrel {Conc.{H_2}S{O_4}} \over \longrightarrow }\limits_{160 - {{180}^o}C} X\mathop {\buildrel {B{r_2}} \over \longrightarrow }\limits_{} Y\mathop {\buildrel {{\rm{Excess of}}} \over \longrightarrow }\limits_{Alc.KOH} Z$$

Answers Choices:

$$\mathop {C{H_3} - CH - C{H_2}}\limits_{\mathop {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\limits_{\,\,\,\,\,\,\,\,\,\,\,\,N{H_2}\,\,\,\,N{H_2}} } $$

\(\mathop {C{H_3} - CH - C{H_2}}\limits_{\mathop {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\limits_{\,\,\,\,\,\,\,\,\,\,OH\,\,\,\,\,OH} } \)

\(\mathop {C{H_3} - C = C{H_2}}\limits_{\mathop |\limits_{OH} } \)

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

Questions 26 of 50

Question:Alcohols of low molecular weight are

Answers Choices:

Soluble in water

Soluble in all solvents

Insoluble in all solvents

Soluble in water on heating

Questions 27 of 50

Question:For phenol, which of the following statements is correct

Answers Choices:

It is insoluble in water

It has lower melting point compared to aromatic hydrocarbons of comparable molecular weight

It has higher boiling point than toluene

It does not show acidic property

Questions 28 of 50

Question:The reaction of Lucas reagent is fast with

Answers Choices:

\({\left( {C{H_3}} \right)_3}COH\)

\({(C{H_3})_2}CHOH\)

\(C{H_3}{(C{H_2})_2}OH\)

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

Questions 29 of 50

Question:The reaction of conc. \(HN{O_3}\) and phenol forms

Answers Choices:

Benzoic acid

Salicylic acid

o-and p-nitrophenol

Picric acid

Questions 30 of 50

Question:Phenol is

Answers Choices:

A weaker base than \(N{H_3}\)

Stronger than carbonic acid

Weaker than carbonic acid

A neutral compound

Questions 31 of 50

Question:The final product of the oxidation of ethyl alcohol is

Answers Choices:

Ethane

Acetone

Acetaldehyde

Acetic acid

Questions 32 of 50

Question:The compound obtained by heating salicylic acid with phenol in the presence of phosphorus oxychloride is

Answers Choices:

Salol

Aspirin

Oil of wintergreen

o-chlorobenzoyl chloride

Questions 33 of 50

Question:At room temperature the alcohol that do not reacts with Lucas reagent is

Answers Choices:

Primary alcohol

Secondary alcohol

Tertiary alcohol

All these three

Questions 34 of 50

Question:By means of calcium chloride which of following can be dried

Answers Choices:

ethanol

Ethanol

Both 1 and 2

None of these

Questions 35 of 50

Question:Conc. \({H_2}S{O_4}\) heated with excess of \({C_2}{H_5}OH\) at \({140^o}C\) to form

Answers Choices:

\(C{H_3}C{H_2} - O - C{H_3}\)

\(C{H_3}C{H_2} - O - C{H_2}C{H_3}\)

\(C{H_3} - O - C{H_2} - C{H_2} - C{H_3}\)

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

Questions 36 of 50

Question:Rate of substitution reaction in phenol is

Answers Choices:

Slower than the rate of benzene

Faster than the rate of benzene

Equal to the rate of benzene

None of these

Questions 37 of 50

Question:In \(C{H_3}C{H_2}OH\) which bond dissociates heterolytically

Answers Choices:

C – C

C – O

C – H

O – H

Questions 38 of 50

Question:Which compound is soluble in water

Answers Choices:

\(C{S_2}\)

\({C_2}{H_5}OH\)

\(CC{l_4}\)

\(CHC{l_3}\)

Questions 39 of 50

Question:The compound which will give negative iodoform test is

Answers Choices:

\(C{H_3}CHO\)

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

Isopropyl alcohol

Benzyl alcohol

Questions 40 of 50

Question:Which of the following is most acidic

Answers Choices:

Phenol

Benzyl alcohol

m-chlorophenol

Cyclohexanol

Questions 41 of 50

Question:Etherates are

Answers Choices:

Ethers

Solution in ether

Complexes of ethers with Lewis acid

Complexes of ethers with Lewis base

Questions 42 of 50

Question:An ether is more volatile than an alcohol having the same molecular formula. This is due to

Answers Choices:

Dipolar character of ethers

Alcohols having resonance structures

Inter-molecular hydrogen bonding in ethers

Inter-molecular hydrogen bonding in alcohols

Questions 43 of 50

Question:When phenyl magnesium bromide reacts with t-butanol, the product would be

Answers Choices:

Benzene

Phenol

t-butyl benzene

t-butyl ether

Questions 44 of 50

Question:Which of the following is used as catalyst for preparing Grignard reagent

Answers Choices:

Iron powder

Dry ether

Activated charcoal

\(Mn{O_2}\)

Questions 45 of 50

Question:The best method to prepare cyclohexene from cyclohexanol is by using

Answers Choices:

Conc. HCl + ZnCl­\(_{\rm{2}}\)­

Conc. H\(_3\)PO\(_4\)

HBr

Conc. HCl

Questions 46 of 50

Question:Which of the following compound is most acidic

Answers Choices:

\(C{H_4}\)

\({C_2}{H_6}\)

\(CH \equiv CH\)

\({C_2}{H_5}OH\)

\({C_2}{H_5}OH\)

Questions 47 of 50

Question:In cold countries ethylene glycol is added to water in the radiators to

Answers Choices:

Bring down the specific heat of water

Lower the viscosity

Reduce the viscosity

Make water a better lubricant

Questions 48 of 50

Question:Power alcohol is

Answers Choices:

An alcohol of 95% purity

A mixture of petrol hydrocarbons and ethanol

Rectified spirit

A mixture of methanol and ethanol

Questions 49 of 50

Question:Washing soap can be prepared by saponification with alkali of the oil

Answers Choices:

Rose oil

Paraffin oil

Groundnut oil

Kerosene

Questions 50 of 50

Question:Ether can be used

Answers Choices:

As a general anaesthetic

As a refrigerant

In perfumery

All of these