Question

Platinum, palladium and iridium are called noble metals because:

• A. Alfred Nobel discovered them
• B. They are inert towards many common reagents
• C. They are shining, lustrous and pleasing to look at
• D. They are found in active state

Answer 1

Answer: (B)

They are inert towards many common reagents

Due to their electronic configuration, they are inert to many common reagents so they are called noble metals.