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Question

Choose the correct option.


Type 1Type 2
I) First order reactiona) 1an1
II) Zero order reactionb) Radioactive decay
III) Trimolecular reactionc) Photochemical reactions
IV) Half life of nth order reactiond) 2CO+O22CO2

A
I - a, II - b, III - c, IV - d
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B
I - b, II - c, III - d, IV - a
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C
I - c, II - d, III - b, IV - a
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D
I - d, II - c, III - b, IV - a
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Solution

The correct option is B I - b, II - c, III - d, IV - a
All radioactive decay is the first-order reaction.

Photochemical reactions are zero order reaction.

Half-life of nth order reaction is:
t12 for nth order 1an1

Trimolecular reaction 2CO+O22CO2
rate=k[CO]2[O2]
order=2+1=3

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