3. Chemical kinetics — Chemistry STD 12 Science — Question
CBSE BoardEnglish MediumSTD 12 ScienceChemistry3. Chemical kinetics1 Mark
MCQ
Decay of $_{92}{U^{235}}$is .....order reaction
A
$0$
✓
$1$
C
$2$
D
$3$
✓
Answer
Correct option: B.
$1$
b (b)The radioactive disintegration reactions are of first order because in this rate of disintegration depends on the concentration term of radioactive material only.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.