Q. Which among the following metals does not dissolve in aqua regia?

A) Pt
B) Pd
C) Au
D) Ir
Explanation

(d)
Ir does not dissolve in aqua regia as it is much more noble than Au and Pt

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.