31. Which one of the following reactions will not result in the formation of carbon-carbon bond ?
A
Reimer-Tieman reaction
B
Friedel Craft’s acylation
C
Wurtz reaction
D
Cannizzaro reaction
Answer :
Cannizzaro reaction
32.
The major product of the following reaction sequence is
A
B
C
D
Answer :
33. Which of the following names of the organic compounds is not correctly written?
A
B
C
D
Answer :
34. The enol form of acetone, after treatment with \[{{D}_{2}}O,\] gives.
A
B
C
D
Answer :
35. Acetaldehyde reacts with
A
only electrophiles
B
only nucleophiles
C
only free radicals
D
both electrophiles and nucleophiles
Answer :
only nucleophiles
36.
Identify the final product.
\[\xrightarrow[HCl,\,\Delta ]{Zn\left( Hg \right)}\]
A
B
C
D
Answer :
37. Acetyl bromide reacts with excess of $$C{H_3}MgI$$ followed by treatment with a saturated solution of $$N{H_4}Cl$$ gives
A
2 - methyl - 2propanol
B
acetamide
C
acetone
D
acetyl iodide
Answer :
2 - methyl - 2propanol
38.
\[\underset{\left( A \right)}{\mathop{{{C}_{16}}{{H}_{16}}}}\,\xrightarrow{{{O}_{3}}}\underset{{{C}_{8}}{{H}_{8}}O}{\mathop{\left( B \right)}}\,\xrightarrow[H{{O}^{-}}/\Delta ]{N{{H}_{2}}-N{{H}_{2}}}\] 
reactant $$(A)$$ in this reaction is :
A
B
C
D
Answer :
39. During reduction of aldehydes with hydrazine and potassium hydroxide, the first is the formation of
A
B
C
D
Answer :
40.
The most suitable reagent for the conversion of
$$R - C{H_2} - OH \to R - CHO$$ is:
A
$$KMn{O_4}$$
B
$${K_2}C{r_2}{O_7}$$
C
$$Cr{O_3}$$
D
$$PCC$$ ( Pyridinium Chlorochromate )
Answer :
$$PCC$$ ( Pyridinium Chlorochromate )