Q. First ionisation energy is highest for

A) Noble gases
B) Platinum metals
C) Transition elements
D) Inner-transition elements
Explanation

The correct answer is Option A: Noble gases.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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