JEE Main · 18 March 2021, Shift 2 · Q47

An organic compound "A" on treatment with benzene sulphonyl chloride gives compound B. B is soluble in dil. NaOH solution. Compound A is:

1

$\displaystyle \mathrm{C}_6 \mathrm{H}_5-\mathrm{CH}_2 \mathrm{NHCH}_3$

2

$\displaystyle \mathrm{C}_6 \mathrm{H}_5-\mathrm{N}-\left(\mathrm{CH}_3\right)_2$

3

$\displaystyle \mathrm{C}_6 \mathrm{H}_5-\mathrm{NHCH}_2 \mathrm{CH}_3$

4

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