1
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following aldehydes is less reactive towards nucleophilic addition reaction?

A
Benzaldehyde
B
Formaldehyde
C
Acetaldehyde
D
Butyraldehyde
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Cannizzaro reaction is an example of

A
Elimination reaction
B
Disproportionation reaction
C
Decomposition reaction
D
Nucleophilic addition reaction
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following reaction is an example of Rosenmund reduction?

A
$$\mathrm{R}-\mathrm{CO}-\mathrm{R} \xrightarrow[\text { KoH, ethylene glycol }]{\mathrm{NH}_2-\mathrm{NH}_2, \Delta} \mathrm{R}-\mathrm{CH}_2-\mathrm{R}$$
B
$$\mathrm{R}-\mathrm{CHO} \xrightarrow[\Delta]{\mathrm{Zn}-\mathrm{Hg} / \text { conc. } \mathrm{HCl}} \mathrm{R}-\mathrm{CH}_3+\mathrm{H}_2 \mathrm{O}$$
C
$$\mathrm{R}-\mathrm{CO}-\mathrm{Cl} \xrightarrow[\text { Pd- } \mathrm{BaSO}_4]{\mathrm{H}_2} \mathrm{R}-\mathrm{CHO}+\mathrm{HCl}$$
D
$$\mathrm{R}-\mathrm{CN} \xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\mathrm{SnCl}_2 / \mathrm{Cl}} \mathrm{R}-\mathrm{CHO}+\mathrm{NH}_4 \mathrm{Cl}$$
4
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

To obtain 3-methylbutan-2-ol from acetaldehyde, the Grignard's reagent used is

A
CH$$_3$$MgBr
B
CH$$_3$$CH$$_2$$CH$$_2$$MgBr
C
CH$$_3$$CH$$_2$$MgBr
D
MHT CET 2021 24th September Morning Shift Chemistry - Aldehyde and Ketone Question 6 English Option 4
MHT CET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12