JEE MAIN - Chemistry (2023 - 29th January Morning Shift - No. 3)
Compound that will give positive Lassaigne's test for both nitrogen and halogen is :
$$\mathrm{NH_2OH.HCl}$$
$$\mathrm{N_2H_4.HCl}$$
$$\mathrm{CH_3NH_2.HCl}$$
$$\mathrm{NH_4Cl}$$
Explanation
$\mathrm{CH}_{3} \mathrm{NH}_{2} \cdot \mathrm{HCl}$ will give positive Lassaigne's test for both nitrogen and halogen.
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