335 + Interview Questions in CARBONYL-COMPOUNDS IN GENERAL AWARENESS Page 3 InterviewSolution

101.	In the given reaction: A. B. C. D.
Answer» Correct Answer - D

Discussion

102.	Compound B is :A. B. C. D.
Answer» Correct Answer - B

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103.	P will be :A. B. C. D.
Answer» Correct Answer - A

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104.	Identify A and B :A. B. C. D. None of these
Answer» Correct Answer - B

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105.	Identify name of reaction :A. Aldol condensationB. Cannizzaro condensationC. Crossed Claisen condensationD. Tischenko reaction
Answer» Correct Answer - C

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106.	In the given reaction (X) Will be :A. B. C. D.
Answer» Correct Answer - C

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107.	(X) is :A. B. C. D.
Answer» Correct Answer - C

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108.	Which halide will give Witting reaction ?A. B. C. `H_(2)C=CH-Cl`D.
Answer» Correct Answer - D

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109.	Find out structure of final product P :A. B. C. D.
Answer» Correct Answer - C

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110.	, Major product (X) is :A. B. C. D.
Answer» Correct Answer - C

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111.	Find out structure of B.A. B. C. D.
Answer» Correct Answer - C

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112.	Identify structure of Y :A. B. C. D.
Answer» Correct Answer - D

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113.	identify structure of final product B:A. B. C. D. None of these
Answer» Correct Answer - C

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114.	Find out final product of reaction:A. B. C. D.
Answer» Correct Answer - B

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115.	Consider the following reactions and identify how many reactions can give carbonyl compounds as major product.
Answer» Correct Answer - 5

Discussion

116.	The product formed in the reaction is: A. B. C. D.
Answer» Correct Answer - A

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117.	The above reaction is known as :A. Kolbe reactionB. Oppenauer oxidationC. MPV reductionD. Tischenko reaction
Answer» Correct Answer - B

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118.	, Find out major product (A) :A. B. C. D.
Answer» Correct Answer - B

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119.	, product (X) of reaction is:A. B. C. D.
Answer» Correct Answer - C

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120.	Find out (X) of the reaction:A. B. C. D.
Answer» Correct Answer - A

Discussion

121.	Product (A) of the above reaction is:A. `Ph-overset(OH)overset(\|)CH-CH_(2)-overset(O)overset(\|\|)C-OH`B. `Ph-overset(OH)overset(\|)CH-CH_(2)-overset(O)overset(\|\|)C-Oet`C. `Ph-CH=CH-CH_(2)-OH`D. `Ph-CH=CH-CH_(3)`
Answer» Correct Answer - B

Discussion

122.	Product (A) of the reaction is :A. B. C. D.
Answer» Correct Answer - A

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123.	Find out the product of reaction:A. B. C. D.
Answer» Correct Answer - A

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124.	Major product (X) :A. B. C. D.
Answer» Correct Answer - A

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125.	,Final product Y is :A. B. C. D.
Answer» Correct Answer - C

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126.	, Find major product (X) :A. B. C. D.
Answer» Correct Answer - B

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127.	, Find out final product (X) :A. B. C. D.
Answer» Correct Answer - D

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128.	, Compound A and B can be differentiated by :A. 2,4 DNPB. Fehling solutionC. Lucas reagentD. `NaHSO_(3)`
Answer» Correct Answer - B

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129.	Predict the major produt of reaction : A. B. C. D.
Answer» Correct Answer - A

Discussion

130.	Above conversion can be achieved by :A. Wolff-Kishner reductionB. Clemmensen reductionC. `LiAIH_(4)`D. `NaBH_(4)`
Answer» Correct Answer - A

Discussion

131.	Which of the following reactions would give identical product ?A. B. `CH_(3)-overset(O)overset(\|\|)(C)-H overset(CH_(3)MgBr)underset(overset(o+)(H)//H_(2)O)to overset("PCC")to`C. `CH_(3)-overset(CH_(3))overset(\|)C=CH-CH_(3)overset(OsO_(4))rarr overset(HIO_(4))rarr`D. `Ch_(3)-overset(Cl)overset(\|)CH-CH_(3)overset("alc. KOH")rarr underset(Zn-H_(2)O)overset(O_(3))rarr`
Answer» Correct Answer - A::B::C

Discussion

132.	(R) would be :A. HCHOB. `H_(3)C-overset(O)overset(\|\|)C-H`C. `(COOC_(2)H_(5))_(2)`D. `H-overset(O)overset(\|\|)C-OC_(2)H_(5)`
Answer» Correct Answer - D

Discussion

133.	Perkin reaction is catalysed by :A. NaOHB. HClC. `NH_(4)Cl`D. Pyridine
Answer» Correct Answer - D

Discussion

134.	Product of Perkin reaction is :A. `alpha beta`-unsaturated aldehydeB. `beta`-cyclohexyl, `alpha-beta`- unsaturated aldehydeC. `beta`-Aryl `-alpha,beta`-unsaturated acidD. all of the above
Answer» Correct Answer - C

Discussion

135.	Which dicarboxylic acid is presence of dehydrating agent is least reactive to give an anhydride ?A. B. C. D.
Answer» Correct Answer - B

Discussion

136.	Which of the following will not react with `H_(2)O` ?A. `CHCl_(3)`B. `Cl_(3)C-CHO`C. `"CCl"_(4)`D.
Answer» Correct Answer - A::B::C::D

Discussion

137.	Which of the following reactions can produce benzaldehyde as major product ?A. B. C. D.
Answer» Correct Answer - A::B::C::D

Discussion

138.	The given conversion can be performed by which of the following reactions ? A. Aldol condensationB. Michael additionC. Perkin reactionD. Reimer-Tiemann reaction
Answer» Correct Answer - B

Discussion

139.	Which of the following compounds would be most reactive for perkin condensation with acetic anhydride?A. B. C. D.
Answer» Correct Answer - A

Discussion

140.	Cinnamic acid form benzaldehyde would be prepared by which of the following reactions ?A. Perkin reactionB. Reformatsky reactionC. Knoevengel condensationD. All of these
Answer» Correct Answer - A

Discussion

141.	The given imine can be prepared from which of the following reactions ? A. B. C. D.
Answer» Correct Answer - A::B::C

Discussion

142.	STATEMENT -1: RCOCl fails to give ketone with RMgX STATEMENT -2 : RCOCl give ketone with `R_(2) Cd`
Answer» Correct Answer - (D) Because RCOCl form Alcohol with RMgX.

Discussion

143.	Which of the following compound on treatment with `LiAlH_(4)` will give a product that will give positive lodoform test?A. `CH_(3)CH-_(2)CHO`B. `CH-_(3)CH_(2)CO_(2)CH_(3)`C. `CH_(3)CH_(2)OCH-_(2)CH_(3)`D. `CH_(3)COCH_(3)`
Answer» Correct Answer - 4 `CH_(3)-overset(O)overset(\|\|)C-CH_(3)overset(LiAlH_(4))toCH_(3)-overset(OH)overset(\|)CH-CH_(3)overset("iodoform")to+` ve test due to `CH_(3)-CH- ` group

Discussion

144.	Compound "X" in the following reaction is A. B. C. D.
Answer» Correct Answer - C

Discussion

145.	The major product of the following reaction is A. B. C. D.
Answer» Correct Answer - A

Discussion

146.	A+B, Find A and B
Answer» Correct Answer - (A)=`PhCOOH,(B) Ph overset(18)(O)H` `Ph-underset(O)underset(\|\|)(C)-underset(18)(O)Ph overset(dil. H_2SO_(4))underset("hydrolysis")to PhCOOH +Phoverset(18)(O)H`

Discussion

147.	Ethyl alcohol` overset(Cu)underset(300^(0)C)to A+B` What are A& BA. Acetaldehyde,AcetoneB. Acetone,WaterC. Acetaldehyde, `H_(2)`D. Actone,`H_(2)`
Answer» Correct Answer - 3 Primary alcohols on dehydrogenation with copper ` //300^(@)` forms aldehydes with same number of carbons. ANSWER -: C) ON REACTION OF 1° ALCOHOL WITH CU AT 300°C IT GIVES ALDEHYDE COMPOUNDS. /\/^oh —^cu—> /\_cho + H₂

147.

Ethyl alcohol` overset(Cu)underset(300^(0)C)to A+B` What are A& BA. Acetaldehyde,AcetoneB. Acetone,WaterC. Acetaldehyde, `H_(2)`D. Actone,`H_(2)`

Answer» Correct Answer - 3
Primary alcohols on dehydrogenation with copper ` //300^(@)` forms aldehydes with same number of carbons.

ANSWER -: C)

ON REACTION OF 1° ALCOHOL WITH CU AT 300°C IT GIVES ALDEHYDE COMPOUNDS.

/\/^oh —^cu—> /\_cho + H₂

Discussion

148.	Which fo the following statements regarding chemical properties of acetophenone are wrong ? I. It is reduced to methyl phenyl carbinol by sodium acid and ethanol II. It is oxidised to benzoic acid with acidified `KMnO_(4)` III. It does not undergo electrophilic substitution like nitration at meta position ltbr. IV. It does not undergo iodoform reaction with iodine and alkali.A. I and IIB. II and IVC. III and IVD. I and III
Answer» Correct Answer - 3 Acetophenone is `CH_(3)-overset(O)overset(\|\|)C-ph`. It has `alpha` -H so undergoes Aldol. It has `CH_(3)-overset(O)overset(\|\|)C-` group so undergoes Iodoform .

Discussion

149.	Which has the lowest value for its `pK_(a)?`A. BenzaldehydeB. An ketone bearing several alpha hydrogenC. An alkane containing a`3^(0) H`D. An amide containing a nitrogen with no alkyl groups bonded to it
Answer» Correct Answer - 2

Discussion

150.	What derivative of aldehydes and ketones is known as a Schiff bases?A. HydrazoneB. CyanohydrinC. ImineD. Oxime
Answer» Correct Answer - 3

Discussion

Explore topic-wise InterviewSolutions in .

In the given reaction: A. B. C. D.

Compound B is :A. B. C. D.

P will be :A. B. C. D.

Identify A and B :A. B. C. D. None of these

Identify name of reaction :A. Aldol condensationB. Cannizzaro condensationC. Crossed Claisen condensationD. Tischenko reaction

In the given reaction (X) Will be :A. B. C. D.

(X) is :A. B. C. D.

Which halide will give Witting reaction ?A. B. C. `H_(2)C=CH-Cl`D.

Find out structure of final product P :A. B. C. D.

, Major product (X) is :A. B. C. D.

Find out structure of B.A. B. C. D.

Identify structure of Y :A. B. C. D.

identify structure of final product B:A. B. C. D. None of these

Find out final product of reaction:A. B. C. D.

Consider the following reactions and identify how many reactions can give carbonyl compounds as major product.

The product formed in the reaction is: A. B. C. D.

The above reaction is known as :A. Kolbe reactionB. Oppenauer oxidationC. MPV reductionD. Tischenko reaction

, Find out major product (A) :A. B. C. D.

, product (X) of reaction is:A. B. C. D.

Find out (X) of the reaction:A. B. C. D.

Product (A) of the above reaction is:A. `Ph-overset(OH)overset(|)CH-CH_(2)-overset(O)overset(||)C-OH`B. `Ph-overset(OH)overset(|)CH-CH_(2)-overset(O)overset(||)C-Oet`C. `Ph-CH=CH-CH_(2)-OH`D. `Ph-CH=CH-CH_(3)`

Product (A) of the reaction is :A. B. C. D.

Find out the product of reaction:A. B. C. D.

Major product (X) :A. B. C. D.

,Final product Y is :A. B. C. D.

, Find major product (X) :A. B. C. D.

, Find out final product (X) :A. B. C. D.

, Compound A and B can be differentiated by :A. 2,4 DNPB. Fehling solutionC. Lucas reagentD. `NaHSO_(3)`

Predict the major produt of reaction : A. B. C. D.

Above conversion can be achieved by :A. Wolff-Kishner reductionB. Clemmensen reductionC. `LiAIH_(4)`D. `NaBH_(4)`

(R) would be :A. HCHOB. `H_(3)C-overset(O)overset(||)C-H`C. `(COOC_(2)H_(5))_(2)`D. `H-overset(O)overset(||)C-OC_(2)H_(5)`

Perkin reaction is catalysed by :A. NaOHB. HClC. `NH_(4)Cl`D. Pyridine

Product of Perkin reaction is :A. `alpha beta`-unsaturated aldehydeB. `beta`-cyclohexyl, `alpha-beta`- unsaturated aldehydeC. `beta`-Aryl `-alpha,beta`-unsaturated acidD. all of the above

Which dicarboxylic acid is presence of dehydrating agent is least reactive to give an anhydride ?A. B. C. D.

Which of the following will not react with `H_(2)O` ?A. `CHCl_(3)`B. `Cl_(3)C-CHO`C. `"CCl"_(4)`D.

Which of the following reactions can produce benzaldehyde as major product ?A. B. C. D.

The given conversion can be performed by which of the following reactions ? A. Aldol condensationB. Michael additionC. Perkin reactionD. Reimer-Tiemann reaction

Which of the following compounds would be most reactive for perkin condensation with acetic anhydride?A. B. C. D.

Cinnamic acid form benzaldehyde would be prepared by which of the following reactions ?A. Perkin reactionB. Reformatsky reactionC. Knoevengel condensationD. All of these

The given imine can be prepared from which of the following reactions ? A. B. C. D.

STATEMENT -1: RCOCl fails to give ketone with RMgX STATEMENT -2 : RCOCl give ketone with `R_(2) Cd`

Which of the following compound on treatment with `LiAlH_(4)` will give a product that will give positive lodoform test?A. `CH_(3)CH-_(2)CHO`B. `CH-_(3)CH_(2)CO_(2)CH_(3)`C. `CH_(3)CH_(2)OCH-_(2)CH_(3)`D. `CH_(3)COCH_(3)`

Compound "X" in the following reaction is A. B. C. D.

The major product of the following reaction is A. B. C. D.

A+B, Find A and B

Ethyl alcohol` overset(Cu)underset(300^(0)C)to A+B` What are A& BA. Acetaldehyde,AcetoneB. Acetone,WaterC. Acetaldehyde, `H_(2)`D. Actone,`H_(2)`

Which has the lowest value for its `pK_(a)?`A. BenzaldehydeB. An ketone bearing several alpha hydrogenC. An alkane containing a`3^(0) H`D. An amide containing a nitrogen with no alkyl groups bonded to it

What derivative of aldehydes and ketones is known as a Schiff bases?A. HydrazoneB. CyanohydrinC. ImineD. Oxime