8. A zero Order reaction Xproduct, with an initial concentration 0.02M has a half-life of
10 mins if one starts with concentration 0.04M, then the half-life is _____________
a) 10s b) 5min c) 20min d) can’t be predicted
Answers
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2
Answer:
c. 20 min
Explanation:
zero order r×n t1/2 = AD/2k
t1/2 = AD/2k , 10= 0.02/2k
k= 0.02/2×10×100
= 1/1000
t1/2= AD/2k
= 0.04 × 1000 / 2×1×100
=20 min.
Therefore option c is correct.
Hope it will help you.
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