The energy absorbed by each molecule A2 of a substance is 4.4 × 10−19 J and bond energy per molecule is 4.0 × 10−19 J. The kinetic energy of the molecule per atom will be

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

2.0 × 10−20 J

2.2 × 10−19 J

2.0 × 10−19 J

4.0 × 10−20 J

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

KE of molecule = energy absorbed by molecule - BE per molecule=4.4 × 10−19 − 4.0 × 10−19J = 0.4 × 10−19JKE per atom=0.4 × 10−192J = 2.0 × 10−20 J

Watch 3-min video & get full concept clarity