MCQs - Set IV - Alcohols

MCQs Set IV 

Alcohols

(1) Phenol on nitration gives:-

(a)  Salicylic acid

(b) Benzoic acid

(c)  Picric acid

(d) Barbaturic acid

(2) Which of the following reagents will give 1-Propanol on hydration of Propene :-

(a)  Aq. KOH

(b) H₂O/H⁺

(c)  Alc KOH

(d) B₂H₆/H₂O₂/OH^-

(3) Which of the following products are formed when Glycerol is heated with oxalic acid at 260^oC:-

(a)  Allyl alcohol

(b) Formic acid

(c)  Dioxane

(d) Propene

(4) Which of the following alcohols will give immediate turbidity with Lucas reagent:-

(a)  1-Butanol

(b) 2-Butanol

(c)  2-Methyl-2-Propanol

(d) 2-Methyl-1-Propanol

(5) Phenol on reaction with Chloroform and aqueous KOH gives:-

(a)  Salicylic acid

(b) Salicylaldehyde

(c)  Picric acid

(d) Acetyl Salicylic acid

(6) Which one of the following will not show Iodoform test:-

(a)  Ethanol

(b) 2-Propanol

(c)  1-Propanol

(d) 2-Butanol

(7) Methanoic acid and ethyl alcohol on esterification give:-

(a)  Ethyl ethanoate

(b) Methyl ethanoate

(c)  Ethyl methanoate

(d) Methyl methanoate

(8) Ethyl alcohol on reaction with Methyl magnesium bromide gives:-

(a)  Ethane

(b) Methane

(c)  Propane

(d) Butane

(9) Which of the following reagents is used to obtain Ethyl alcohol from Ethyl amine:-

(a)  PCl₅

(b) NH₃

(c)  HNO₂

(d) AgNO₃

(10)  Which one of the following will produce a primary alcohol with Methyl magnesium bromide:-

(a)  Methanal

(b) Ethanal

(c)  Acetone

(d) Propanal

(11)  Chlorine reacts with ethanol to give:-

(a)  Chloroform

(b) Chloral

(c)  Chloroethane

(d) Butane

(12)  Compound with highest boiling point is :-

(a)  Ethane

(b) Ethanol

(c)  Ethanal

(d) Methane

(13)  A compound ‘X’ with molecular formula C₃H₈O is oxidised to ‘Y’ with molecular formula C₃H₆O₂. X is likely to be:-

(a)  A primary alcohol

(b)  A secondary alcohol

(c)  An aldehyde

(d) A Ketone

(14)  Phenol reacts with bromine in CS₂ at low temperatures to give:-

(a)  2,4,6 Tribomophenol

(b) p-Bromophenol

(c)  m-Bromophenol

(d) Bromobenzene

(15)  Glycerol on heating with KHSO₄ gives:-

(a)  Allyl alcohol

(b) Acrolein

(c)  Propyl alcohol

(d) Acetone

(16)  Phenol is less acidic than:-

(a)  Ethanol

(b) Cresol

(c)  Methanol

(d) Nitrophenol

(17)  The enzyme which converts monosacharrides to ethyl alcohol is :-

(a)  Invertase

(b) Zymase

(c)  Maltase

(d) Diastase

(18)  Lucas reagent is:-

(a)  Ammoniacal Silver nitrate

(b) ZnCl₂/Conc HCl

(c)  I₂/NaOH

(d) 1% CuSO₄

(19)  Which of the following process does not occur during the preparation of Chloroform from ethanol and bleaching powder:-

(a)  Hydrolysis

(b) Oxidation

(c)  Chlorination

(d) Elimination

(20)  When chlorobenzene is treated with aq. NaOH at high temperature and pressure, the major product is:-

(a)  Benzene

(b) Benzyl alcohol

(c)  Sodium phenoxide

(d) Benzoic acid