MDCAT Chemistry Chapter 17 MCQ Test With Answer for (Aldehydes and Ketones)

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MCQ's Test For MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test

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MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test

00:00
Question # 1

Ethane nitrile can be converted into ethanoic acid through......intermediate

Question # 2

An acid that exists as a cyclic dimer in benzene and shows a molar mass of 120g/mol is

Question # 3

In esterification, the OH of carboxylic acid is replaced by

Question # 4

Final product of hydrolysis of nitrile is

Question # 5

An organic compound made from oxidation of ethanol is

Question # 6

Reaction of acetic acid with LiAIH4 gives

Question # 7

Which of the following has the lowet solubility in water

Question # 8

Which one of the following reaction of carboxylic acid is reversible?

Question # 9

Estyl butyrate has flavour like

Question # 10

The highest melting point is observed by

Question # 11

One of the following compound reacts with its own oxidation product (an oxidation involves no loss of carbon) to give sweet odour liquid

Question # 12

Which of the following acid is unsaturated carboxylie acid

Question # 13

Octyl acetate has the flavor of

Question # 14

Compound X & Y give effervesce with Na2CO3, solution. X gives a white ppt with ammonical AgNO3 while Y gives sweet smell compound on heating with alcohol X &Y are

Question # 15

The formation of ester from acetic aciad in presence of acid and ethanol is a

Question # 16

Which one of the following will react with bothethand and ethanoic acid at room temperature

Question # 17

When ethyl magnesium bromide is treated with carbon dioxide and the product hydrolyzed we get

Question # 18

The Complete oxidation of ethanol produces first Ethanal than

Question # 19

Formamide is formed by the reaction of which acid with ammonia

Question # 20

Primany aleohols sornally give us aldehyde when oxidized in the presence of acidified Na2Cr2O7, what will be the product, when the secondary alcohols are oxidized in same condition?

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Discus Alcohols with reference to:

a) Classification of alcohols into primary, secondary and tertiary.

b) Preparation of ethanol by hydration of ethene using conc. H2SO4 or conc. H3PO4

c) Reaction of alcohol with: i) K2Cr2O7 + H2SO4 (oxidation). ii) PCl5. iii) Na-metal. iv) Alkaline aqueous Iodine (Iodoform Test). v) Carboxylic acid (Esterification).

d) Dehydration of alcohol to give alkene.

Phenol

a) Discuss reactions of phenol with:

i) Bromine ii) HNO3

iii) NaOH

b) Explain the relative acidity of water, ethanol and phenol.

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MCAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 An organic compound made from oxidation of ethanol is
A. Formic acid
B. Acetic acid
C. Malonic acid
D. Citric acid
2 Reaction of acetic acid with LiAIH4 gives
A. Ethanol
B. Ethanal
C. Ethane
D. Ethyl acetate
3 The formation of acetic anhydride from acetic acid follows the mechanism
A. SN
B. AN
C. SE
D. AE
4 Compound X & Y give effervesce with Na2CO3, solution. X gives a white ppt with ammonical AgNO3 while Y gives sweet smell compound on heating with alcohol X &Y are
A. Formic acid & acetic acid
B. Acetone & formic acid
C. Acetaldehy de & acetic acid
D. Acetic acid & acetone
5 Oils and fats belong to the class of
A. Alcohols
B. Hydrocarbons
C. Acids
D. Esters
6 Methyl cyanide, on boiling with mineral acids yield
A. Acetic acid
B. Formic acid
C. Propanoie acid
D. Butanoic acid
7 Carboxylic acid is more acidic than phenol because of the greater stability of
A. Carboxylic acid
B. Phenoxide ion
C. proton
D. Carboxylate ion
8 The formation of ester from acetic aciad in presence of acid and ethanol is a
A. Nucleophilic substitution reaction
B. Nucleophilic addition reaction
C. Electrophilic substituion reaction
D. Electrophilic addition reaction
9 In the esterification, first attack is due toon carborylic acid
A. Hydrogen ion
B. Alcohols
C. Water
D. All
10 The specie that develops strongest hydrogen bonding with water
A. НСООН
B. B.CH3CH2СООН
C. CH3СООН
D. CICH2COOH

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  • Bakhtawar

    Bakhtawar

    14 Apr 2018

    iss men to answer key hi ghalat hai

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