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

The specie that develops strongest hydrogen bonding with water

Question # 2

In the esterification, first attack is due toon carborylic acid

Question # 3

Estyl butyrate has flavour like

Question # 4

The derivatives that cannot be prepared directly from the acetie acid

Question # 5

Ethanoic acid reacts with PCI5, to give ethanoyl chloride. HCI and a third compound What is the third compound

Question # 6

Which of the following is a strong acid

Question # 7

Octyl acetate has the flavor of

Question # 8

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

Question # 9

The highest melting point is observed by

Question # 10

All are dicarboxylic acids except

Question # 11

In esterification, the OH of carboxylic acid is replaced by

Question # 12

Oils and fats belong to the class of

Question # 13

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

Question # 14

Formamide is formed by the reaction of which acid with ammonia

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The Complete oxidation of ethanol produces first Ethanal than

Question # 19

Final product of hydrolysis of nitrile is

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 Molar mass of formic acid in benzene comes out to be
A. 64
B. 46
C. 32
D. 92
2 Octyl acetate has the flavor of
A. Orange
B. Pineapple
C. Banana
D. Apple
3 Which of the following acid is unsaturated carboxylie acid
A. Malonic acid
B. Oxalic acid
C. Succinic acid
D. Maleic acid
4 One of the following compound reacts with its own oxidation product (an oxidation involves no loss of carbon) to give sweet odour liquid
A. Propanal
B. Propanone
C. 1-propanol
D. Propanoic acid
5 Which of the following has the lowet solubility in water
A. НСOOH
B. CH3СООН
C. CH3-CH2-СООН
D. C3H7-COOH
6 solubility of carboxylic acids decreases in water with increase in molar mass because
A. Bigger molecules are more polar
B. bigger molecules have bigger non-polar groups
C. bigger molecules make more hydrogen bonds
D. bigger molecules can form lesser hydrogen bonds/molecule
7
Carboxylic acids reacts with sodium carbonate, & gas evolved in this reaction
A. CO2
B. H2
C. CO
D. Both a &b
8 Ester with raspberry flavor
A. Amyl acetate
B. Isobutyl formate
C. Amyl butyrate
D. Octyl acetate
9 Ethane nitrile can be converted into ethanoic acid through......intermediate
A. Ethyl alcohol
B. AcetyI chloride
C. Acetamide
D. Methyl cyanide
10 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

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