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MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test MCQs With Answers
Question # 1
Slight oxidation of primary alcohol eives
Choose an answer
Ketone
Aldehyde
-Organic acid
An ester
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Question # 2
Formamide is formed by the reaction of which acid with ammonia
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Oualic acid
Formic acid
Ethanoic acid
Propanoic acid
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Question # 3
Which of the following is a strong acid
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CH3COOH
C2H5OH
HCOOH
Phenol
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Question # 4
The specie that develops strongest hydrogen bonding with water
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НСООН
B.CH3CH2СООН
CH3СООН
CICH2COOH
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Question # 5
Which compound is not formed as a result of reaction between acetic acid & HI & red phosphorous
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Ethanol
Water
lodine
Ethane
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Question # 6
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?
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Ethanoic acid
Ethene
Ethanol
Ethyl ethanoate
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Question # 7
Methyl cyanide, on boiling with mineral acids yield
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Acetic acid
Formic acid
Propanoie acid
Butanoic acid
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Question # 8
Oils and fats belong to the class of
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Alcohols
Hydrocarbons
Acids
Esters
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Question # 9
Ethane nitrile can be converted into ethanoic acid through......intermediate
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Ethyl alcohol
AcetyI chloride
Acetamide
Methyl cyanide
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Question # 10
Acetic acid reacts with thionyl chloride to form acetyl chloride, which species acts as nucleophile in the reaction
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SO3
SO2
Cl-
No nucleophile is formed
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Question # 11
In the presence of hot alkaline potassium permanganate solution 2-butene will give
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Formic acid +acetic acid
Two moles ethanoic acid
Two moles of methanoic acid
Ethylene glycol
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Question # 12
Which one of the following will react with bothethand and ethanoic acid at room temperature
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CaCO3
CuO
Na-metal
CH3OH
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Question # 13
Which of the following has the lowet solubility in water
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НСOOH
CH3СООН
CH3-CH2-СООН
C3H7-COOH
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Question # 14
In the esterification, first attack is due toon carborylic acid
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Hydrogen ion
Alcohols
Water
All
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Question # 15
Final product of hydrolysis of nitrile is
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Ketone
Alcohol
Aldehyde
Carboxylic acid
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Question # 16
The Complete oxidation of ethanol produces first Ethanal than
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Ethanal
Propanone
Ethanoic acid
Benzoic acid
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Question # 17
solubility of carboxylic acids decreases in water with increase in molar mass because
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Bigger molecules are more polar
bigger molecules have bigger non-polar groups
bigger molecules make more hydrogen bonds
bigger molecules can form lesser hydrogen bonds/molecule
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Question # 18
Which of the following acid is unsaturated carboxylie acid
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Malonic acid
Oxalic acid
Succinic acid
Maleic acid
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Question # 19
In esterification, the OH of carboxylic acid is replaced by
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OR+
R+
OR
R
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Question # 20
The formation of ester from acetic aciad in presence of acid and ethanol is a
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Nucleophilic substitution reaction
Nucleophilic addition reaction
Electrophilic substituion reaction
Electrophilic addition reaction
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