Question

Lead is soluble in:

• A. $C{H}_{3}COOH$
• B. $H_{2}S{O}_4$
• C. $HCl$
• D. $HN{O}_3$

Answer 1

Answer: (D)

Lead is soluble in dil. $HN{O}_3$ . However, it becomes passive towards cone. $HN{O}_3$ . $3Pb+\underset{dil.}{8HN{O}_3}\stackrel{\Delta }{\to }3Pb{(N{O}_3)}_2+2NO+4H_{2}O$