A metal M and its compound can give the following observable changes in a consequence of reactions
$\mathrm{M}\stackrel{\mathrm{d}\mathrm{i}\mathrm{l}\mathrm{u}\mathrm{t}\mathrm{e}\mathrm{H}\mathrm{N}{\mathrm{O}}_3}{\to }\left[\text{Colourlesssolutions}\right]\underset{\mathrm{N}\mathrm{a}\mathrm{O}\mathrm{H}}{\stackrel{\mathrm{a}\mathrm{q}\mathrm{u}\mathrm{e}\mathrm{o}\mathrm{u}\mathrm{s}}{\to }}\left[\mathrm{W}\mathrm{h}\mathrm{i}\mathrm{t}\mathrm{e}\text{ppt.}\right]\stackrel{\mathrm{e}\mathrm{x}\mathrm{c}\mathrm{e}\mathrm{s}\mathrm{s}\mathrm{N}\mathrm{a}\mathrm{O}\mathrm{H}\left(\mathrm{a}\mathrm{q}.\right)}{\to }\left[\text{Colourlesssolutions}\right]$
$\stackrel{{\mathrm{H}}_2\mathrm{S}}{\to }\left[\text{Whiteppt.}\right]$

• A

  Mg
• B

  Pb
• Correct answer
  C

  Zn
• D

  Sn

Solution

Here the metal is Zn and the reactions are as follows

Hence, the correct answer is option: 'C'.