Match List-I with List-II 

	List-I		List-II
	Test/Reagents/Observation(s)		Species detected
(a)	Lassaigne's Test	(i)	Carbon
(b)	Cu(II) oxide	(ii)	Sulphur
(c)	Silver nitrate	(iii)	$\mathrm{N}, \mathrm{S}, \mathrm{P}$, and halogen
(d)	The sodium fusion extract gives black precipitate with acetic acid and lead acetate	(iv)	Halogen Specifically

The correct match is :

• A

  $\left(\mathrm{a}\right)-\left(\mathrm{iii}\right), \left(\mathrm{b}\right)-\left(\mathrm{i}\right), \left(\mathrm{c}\right)-\left(\mathrm{ii}\right), \left(\mathrm{d}\right)-\left(\mathrm{iv}\right)$
• B

  $\left(\mathrm{a}\right)-\left(\mathrm{i}\right), \left(\mathrm{b}\right)-\left(\mathrm{iv}\right), \left(\mathrm{c}\right)-\left(\mathrm{iii}\right), \left(\mathrm{d}\right)-\left(\mathrm{ii}\right)$
• Correct answer
  C

  $\left(\mathrm{a}\right)-\left(\mathrm{iii}\right), \left(\mathrm{b}\right)-\left(\mathrm{i}\right), \left(\mathrm{c}\right)-\left(\mathrm{iv}\right), \left(\mathrm{d}\right)-\left(\mathrm{ii}\right)$
• D

  $\left(\mathrm{a}\right)-\left(\mathrm{i}\right), \left(\mathrm{b}\right)-\left(\mathrm{ii}\right), \left(\mathrm{c}\right)-\left(\mathrm{iv}\right), \left(\mathrm{d}\right)-\left(\mathrm{iii}\right)$

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