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In the following reaction; xA → yB Log10 [ ] ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ − dt A d = log 10 [ ] ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ dt B d + 0.3010 'A' and 'B' respectively can be :

1. n-Butane and Iso-butane
2. C 2 H 4 and C 4 H 8
3. C 2 H 4 and C 6 H 6
4. N 2 O 4 and NO 2

Correct answer: C 2 H 4 and C 4 H 8

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