CBSE BoardEnglish MediumSTD 12 ScienceChemistry8.1. Aldehydes and ketones1 Mark
MCQ
Positive Tollen's test is observed for
✓
$A,B,C$
B
$A,B,D$
C
$B,C$
D
$A,B$
✓
Answer
Correct option: A.
$A,B,C$
a $\alpha, \beta$-unsaturated aldehydes, aromatic aldehydes and $\alpha$-hydroxyketones all give tollens' test but ketones (including $\alpha, \beta$-unsaturated) do not give this test. Thus, option ( $a , b$ and $c$ ) are correct.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.