Aldehydes, Ketones and Carboxylic Acids  MCQs

MCQs of Aldehydes, Ketones and Carboxylic Acids

Showing 131 to 140 out of 162 Questions
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131.
What is formed when amide is heated with P4O10 ?
(a) Amine
(b) Nitrile
(c) Ester
(d) Aldol
Answer:

Option (b)

132.
Which of the following statements is correct if acetamide is reacted with Br2 + NaOH ?
(a) Amine containing one more C - atom is formed.
(b) Amine containing one less C - atom is formed.
(c) Amine containing the same number of C - atoms is formed.
(d) Acid is formed containing the same number of C - atoms.
Answer:

Option (b)

133.
What is obtained when ethyl acetate undergoes direct reduction by LiAlH4 ?
(a) 2 mole ethanol
(b) 2 mole acetic acid
(c) Acetic acid + ethanol
(d) None of the above
Answer:

Option (a)

134.
What is formed when ammonium acetate is heated at high temperature ?
(a) Acetic acid + ammonia
(b) Acetamide
(c) Formamide
(d) Urea
Answer:

Option (b)

135.
What is obtained when calcium acetate is heated at high temperature ?
(a) Acetone + CaCO3
(b) Acetic acid + CaO
(c) Ethane + CaCO3
(d) Ethene + CaCO3
Answer:

Option (a)

136.
The reagents used for dehydration CH3 - CH2 - OH, CH3 - COOH and CH3 - CONH2 are respectively _____ .
(a) Al2O3, AlPO4, P4O10
(b) anhy AlCl3, anhy.Zn + HCl, anhy NaOH + CaO
(c) KMnO4, SOCl2, LiAlH4
(d) conc. HI, Soda lime, 2NH3
Answer:

Option (a)

137.
Which of the following reactions will not form ester ?
(a) Phenol + (CH3CO)2O →
(b) (CH3CO)2O + CH3CH2OH →
(c) CH3COCl + C2H5OH →
(d) CH3COOH + CH3COCl →
Answer:

Option (d)

138.
What is the number of moles of monocarboxylic acid required to convert 5 moles of glycerol into corresponding ester ?
(a) 5
(b) 10
(c) 15
(d) 15
Answer:

Option (c)

139.
Acetamide →P4O10 A →H2OCH3MgI BWhat is B in the above reaction ?
(a) Propanone
(b) Lactic acid
(c) 2 - propanol
(d) 2 - butanol
Answer:

Option (a)

140.
When an aqeous solution containing 1 mole C6H5COOH and 1 mole C6H5OH is treated with 1 mole of NaHCO3, what is obtained in the product ?
(a) C6H5 -COONa + C6H5 - O-Na
(b) C6H5 -COO -C6H5 + H2O
(c) C6H5 -COONa + C6H5 -OCO -C6H5 + H2O
(d) C6H5 -COONa + C6H5 -OH
Answer:

Option (d)

Showing 131 to 140 out of 162 Questions
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