Chemistry · 2020
JEE Main · 9 January 2020, Shift 1 · Q41
A chemist has 4 samples of artificial sweetener A, B, C and D. To identify these samples, he performed certain experiments and noted the following…
A chemist has $\displaystyle 4$ samples of artificial sweetener A, B, C and D. To identify these samples, he performed certain experiments and noted the following observations :
(i)
A and D both form blue-violet colour with ninhydrin.
(ii)
Lassaigne extract of C gives positive $\displaystyle \mathrm{AgNO}_3$ test and negative $\displaystyle \mathrm{Fe}_4\left[\mathrm{Fe}(\mathrm{CN})_6\right]_3$ test.
(iii)
Lassaigne extract of B and D gives positive sodium nitroprusside test.
Based on these observations which option is correct ?
Official answer
(2)
A : Aspartame; B : Saccharin;
C : Sucralose; D : Alitame
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.