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

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Question # 1

Which of the following acid is unsaturated carboxylie acid

Question # 2

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

Question # 3

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

Question # 4

solubility of carboxylic acids decreases in water with increase in molar mass because

Question # 5

A compound X has all of the properties below. It is a liquid at 25°C it mixes completely with water it reaets with aqueous sodium hydroxide, What could X be?

Question # 6

Propanoic acid is functional group isomer of

Question # 7

The highest melting point is observed by

Question # 8

The Complete oxidation of ethanol produces first Ethanal than

Question # 9

Final product of hydrolysis of nitrile is

Question # 10

Octyl acetate has the flavor of

Question # 11

All are dicarboxylic acids except

Question # 12

Methyl cyanide, on boiling with mineral acids yield

Question # 13

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

Question # 14

Which of the following metal cannot evolve hydrogen from the acetic acid

Question # 15

Reaction of acetic acid with LiAIH4 gives

Question # 16

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

Question # 17

Estyl butyrate has flavour like

Question # 18

An organic compound made from oxidation of ethanol is

Question # 19

In esterification, the OH of carboxylic acid is replaced by

Question # 20

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

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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 Which one of the following reaction of carboxylic acid is reversible?
A. Esterification
B. Salt formation
C. Reaction with PCI5
D. Reaction with SOCI2
2 Which of the following has the lowet solubility in water
A. НСOOH
B. CH3СООН
C. CH3-CH2-СООН
D. C3H7-COOH
3 Final product of hydrolysis of nitrile is
A. Ketone
B. Alcohol
C. Aldehyde
D. Carboxylic acid
4 Ester with raspberry flavor
A. Amyl acetate
B. Isobutyl formate
C. Amyl butyrate
D. Octyl acetate
5 Which compound shows the highest melting point
A. water
B. Propanoic acid
C. Methanoic acid
D. Ethanoic acid
6 An organic compound made from oxidation of ethanol is
A. Formic acid
B. Acetic acid
C. Malonic acid
D. Citric acid
7 When ethyl magnesium bromide is treated with carbon dioxide and the product hydrolyzed we get
A. formic acid
B. propionic acid
C. oxalic acid
D. acetic acid
8 Carboxylic acid is more acidic than phenol because of the greater stability of
A. Carboxylic acid
B. Phenoxide ion
C. proton
D. Carboxylate ion
9 Molar mass of formic acid in benzene comes out to be
A. 64
B. 46
C. 32
D. 92
10 In the esterification, first attack is due toon carborylic acid
A. Hydrogen ion
B. Alcohols
C. Water
D. All

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