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 one of the following reaction of carboxylic acid is reversible?

Question # 2

Which compound is not formed as a result of reaction between acetic acid & HI & red phosphorous

Question # 3

Velaric acid is obtained from a herb velarian, its IUPAC name is

Question # 4

Which of the following has the lowet solubility in water

Question # 5

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

Question # 6

The Complete oxidation of ethanol produces first Ethanal than

Question # 7

In the presence of hot alkaline potassium permanganate solution 2-butene will give

Question # 8

The specie that develops strongest hydrogen bonding with water

Question # 9

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

Question # 10

In esterification, the OH of carboxylic acid is replaced by

Question # 11

Which of the following acid is unsaturated carboxylie acid

Question # 12

Ethanoic acid reacts with all of these to produce water except

Question # 13

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

Question # 14

Octyl acetate has the flavor of

Question # 15

Methyl cyanide, on boiling with mineral acids yield

Question # 16

Esters have fruity smell and are used as artificial favours. Amyl acetate gives flavour of

Question # 17

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

Question # 18

In the esterification, first attack is due toon carborylic acid

Question # 19

Ester with raspberry flavor

Question # 20

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

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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 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
2 In the presence of hot alkaline potassium permanganate solution 2-butene will give
A. Formic acid +acetic acid
B. Two moles ethanoic acid
C. Two moles of methanoic acid
D. Ethylene glycol
3 All are dicarboxylic acids except
A. Oxalic acid
B. Malonic acid
C. Picric acid
D. Tartaric acid
4 Slight oxidation of primary alcohol eives
A. Ketone
B. Aldehyde
C. -Organic acid
D. An ester
5 Esters have fruity smell and are used as artificial favours. Amyl acetate gives flavour of
A. Banana
B. Jasmine
C. Pineapple
D. Orange
6 Which of the following has the lowet solubility in water
A. НСOOH
B. CH3СООН
C. CH3-CH2-СООН
D. C3H7-COOH
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 acids reacts with sodium carbonate, & gas evolved in this reaction
A. CO2
B. H2
C. CO
D. Both a &b
9 Estyl butyrate has flavour like
A. Banans
B. Jasmine
C. Pineapple
D. Orange
10 Which of the following metal cannot evolve hydrogen from the acetic acid
A. Sodium
B. Potassium
C. Magnesium
D. Copper

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