Which of the following is the strongest
base ?
(A) CH,COO-
(B) Cl-
(C) OH-
(D) CH20
22.
The carbonyl compound that does not
undergo aldol condensation is
(A) acetone
(B) dichloroacetaldehyde
(C) trichloroacetaldehyde
(D) acetaldehyde
NO2
20.
Bry/FeB;
→ P
CHO
+
23.
Sn/con HCL
+CH-CHO-
(1) dil. NaOH
Р.
(2) A
The product 'P' is
CHO
(i) NaNO2,273K
+
dil. HCI
(ii) water, warm
The final product Ris
NO2
→R
(A)
CH2CHO
CH=CH-CH3
(A)
Br
(B)
Br
CH=CHCHO
(B)
(C)
OH
Br
CHO
CHÚCHO
(C)
-N₂C1
(D)
NH2
(D)
21.
Br
Which of the following has the lowest
boiling point ?
(A) CH,CH,OH
24.
Hinsberg's reagent is
(A) (CH.CO) / nyridine
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