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AT 373 K, a gaseous reaction A rarr 2B +...

AT 373 K, a gaseous reaction A `rarr` 2B + C is found to be of first order. Starting with pure A, the total pressure at the end of 10 min. was 176 mm and after a long time when A was completely dissociated, it was 270 mm. The pressure of A at the end of 10 minutes was :

A

94 mm

B

47 mm

C

43 mm

D

90 mm

Text Solution

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The correct Answer is:
B
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