Question # 1

Formalin contains-------% alcohol.

Choose an answer

37

80

8

52

The Sl mechanism for the hydrolysis of an alkyl halide to an alcohol involves the formation of

Choose an answer

Carbocation

Carbanion

Pentavalent carbon in the transition state

Free radical

Which of the following reagents reaet in same manner with HCHO, CH3CHO andCH3COCH3

Choose an answer

HCN

Cu2(OH)2/ NaOH

Ammonical AgNO3

Cu(OH)2 only

Which of the following is soluble in water?

Choose an answer

СН3ОН

CCL4

CHCI3

CS2

The red brown ppt. of Fehling solution and benedict solution tests are of

Choose an answer

Ag

Cu2O

CuO

AgBr

To distinguish aldehyde from ketone which solution is used

Choose an answer

Alkaline solution

Fehling's solution

A solution containing K2Cr2O7

A solution containing acid only

Which is most acidic?

Choose an answer

H2O

C2H5OH

C4H9OH

CH3-CH2-CH2OH

In an elimination reaction a more substituted alkene is formed due to the stability associated with

Choose an answer

Free radical

transition state

Activated complex

Carbocation

Which pair gives same dehydrohalogenation product

Choose an answer

I-Chlorobutane, 2-Chlorobutane

I-Chloropropane, 2-Chloropropane

I-Bromopentane. 3-Bromopentane

iso-butvl chloride. 2°- butyl chloride

C=O and C=C bonds are differentiated by

Choose an answer

Hybridization of C-atom

Bond angles

Ammonical AgNO3

Conc. HNO3

The alkaline hydrolysis of bromoethane shown below gives alcohol as the product: H3C-CH2-Br-------H3C-CH2-OH

The reagent and the condition used in this reaction may be:

Choose an answer

H20 at room temperature

KOH in alcohol

Ethanol. heat

Dilute NaOH(aq) warm

Which of the following reactants will be required to form ethene from ethyl chloride

Choose an answer

_{Alcoholic KOH}

Alkaline KMnO4

Aqucous KOH

Aqucous NaOH

Which of the following alcohols is least reactive with respect to 0-H bond

Choose an answer

CH3OH

CH-CH2-OH

(CH3)2-CH-OH

(CH3)3OH

Which of the following gives silver mirror with ammonicaT AgNO3

Choose an answer

Benzyl alcohol

Benzene

Benzoic acid

Benzaldehyde

Among the following, which one is nucleophile

Choose an answer

H+

Ca2+

OH-

Na+

In aldehydes and ketones carbon of carbonyl group is;

Choose an answer

sp³ hyhridized

sp² hybridized

sp hybridized

un hybridized

Tertiary aleohols producewith acidified KMno,

Choose an answer

Ketones

Aldehydes

Malonic acid

Alkene

Correct statement about Nucleophilic substitution bimolecular is

Choose an answer

Transition state is formed

Inversion take place

It is two step reacticn

Both a &c

Which is a good nucleophile as well as a good leaving group?

Choose an answer

F-

Cl-

Br-

I-

The average bond energy of C-Br is

Choose an answer

228 kJmol-1

250 kJmol-1

200 kJmol-1

290 kJmol-1

Which one of the following groups is indicated when HCI is formed by reaction of ethanol with phosphorous pentachloride?

Choose an answer

Amino group

Halide group

Hydroxyl group

Hydride group

More Classes

Other Links

MDCAT Chemistry Chapter 16 Alcohols and Phenols Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer