1.

At 300 K , a gaseous reaction : A to B + C was found to follow first order kinetics . Starting with pure A , the total pressure at the end of 20 minutes was 100 mm of Hg . The total pressure after the completion of the reaction is 180 mm of Hg . The partial pressure of A (in mm of Hg) is

Answer»

100
90
180
80

Answer :d


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