Practical Chemistry Question 3

Question 3 - 30 January - Shift 2

Formulae for Nessler’s reagent is:

(1) $KHg_2 I_2$

(2) $KHgI_3$

(3) $K_2 HgI_4$

(4) $HgI_2$

Show Answer

Answer: (3)

Solution:

Formula: Nessler’s Reagent

Nessler’s reagent is $K_2 HgI_4$