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.Management Sciences
Category: Aldehydes and Ketones
Which of the following do not give aldol condensation reactions ?
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A. formaldehyde
B. acetaldehyde
C. diemthyl ketone
D. propionaldehyde
Which of the following substances does not give iodoform test ?
A. acetaldehyde
B. ethyl alcohol
C. methyl alcohol
D. acetone
Ketones are comparatively less reactive than aldehdye. It is due to_______________?
A. alkyl groups are electron donating
B. steric hindrance
C. Both A and B
D. none
Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?
A. PdCl2
B. Cu2Cl2
C. CuCl2
D. PbCl2
Which of the following is not a use of formaldehyde ?
A. in silvery mirror
B. in making medicine urotropine
C. in making throat lozenges
D. in making acetic acid
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