1
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Statement - I : Reduction of ester by DIABL-H followed by hydrolysis gives aldehyde.

Statement - II : Oxidation of benzyl alcohol with aqueous $\mathrm{KMnO}_4$ leads to the formation to Benzaldehyde.

Among the above statements, identify the correct statement.

A
Both statements - I and II are false
B
Statement - I is true but statement - II is false
C
Statement - I is false but statement - II is true
D
Both statements - I and II are true.
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0
Which of the following has most acidic Hydrogen ?
A
Propanoic acid
B
Dichloroacetic acid
C
Trichloroacetic acid
D
Chloroacetic acid
3
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Reaction by which benzaldehyde cannot be prepared is

A
Benzoic acid $$\xrightarrow{\mathrm{Zn} \cdot \mathrm{Hg} \text { and conc. } \mathrm{HCl}}$$
B
Toluene $$\xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CrO}_2 \mathrm{Cl}_2 \text { in } \mathrm{CS}_2}$$
C
Benzoyl chloride $$+\mathrm{H}_2 \xrightarrow[\Delta]{\text { Pd- } \mathrm{BaSO}_4}$$
D
Benzene $$+\mathrm{CO}+\mathrm{HCl} \xrightarrow{\text { Anhyd. } \mathrm{AlCl}_3}$$
4
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Ethanoic acid undergoes Hell-Volhard Zelinsky reaction but methanoic acid does not, because of

A
presence of $$\alpha$$-$$\mathrm{H}$$ atom in ethanoic acid
B
absence of $$\alpha$$-$$\mathrm{H}$$ atom in ethanoic acid
C
higher acidic strength of ethanoic acid than methanoic acid
D
presence of $$\alpha$$-$$\mathrm{H}$$ atom in methanoic acid
KCET 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