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

Acetic acid reacts with thionyl chloride to form acetyl chloride, which species acts as nucleophile in the reaction

Question # 2

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

Question # 3

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 # 4

Which of the following acid is unsaturated carboxylie acid

Question # 5

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

Question # 6

Slight oxidation of primary alcohol eives

Question # 7

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

Question # 8

Ethanoic acid reacts with all of these to produce water except

Question # 9

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

Question # 10

The specie that develops strongest hydrogen bonding with water

Question # 11

Propanoic acid is functional group isomer of

Question # 12

Formamide is formed by the reaction of which acid with ammonia

Question # 13

Estyl butyrate has flavour like

Question # 14

The derivatives that cannot be prepared directly from the acetie acid

Question # 15

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

Question # 16

Which of the following is a strong acid

Question # 17

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

Question # 18

Carboxylic acids reacts with sodium carbonate, & gas evolved in this reaction

Question # 19

The highest melting point is observed by

Question # 20

Carboxylic acid is more acidic than phenol because of the greater stability of

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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 will react with bothethand and ethanoic acid at room temperature
A. CaCO3
B. CuO
C. Na-metal
D. CH3OH
2 Which compound is not formed as a result of reaction between acetic acid & HI & red phosphorous
A. Ethanol
B. Water
C. lodine
D. Ethane
3 Which of the following is a strong acid
A. CH3COOH
B. C2H5OH
C. HCOOH
D. Phenol
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 Formamide is formed by the reaction of which acid with ammonia
A. Oualic acid
B. Formic acid
C. Ethanoic acid
D. Propanoic acid
6 Esters have fruity smell and are used as artificial favours. Amyl acetate gives flavour of
A. Banana
B. Jasmine
C. Pineapple
D. Orange
7 Methyl cyanide, on boiling with mineral acids yield
A. Acetic acid
B. Formic acid
C. Propanoie acid
D. Butanoic acid
8 Oils and fats belong to the class of
A. Alcohols
B. Hydrocarbons
C. Acids
D. Esters
9 Estyl butyrate has flavour like
A. Banans
B. Jasmine
C. Pineapple
D. Orange
10 Slight oxidation of primary alcohol eives
A. Ketone
B. Aldehyde
C. -Organic acid
D. An ester

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