1.

Rate constant for a reaction \[{{H}_{2}}+{{I}_{2}}\to 2HI\] is 49, then rate constant for reaction \[2HI\to {{H}_{2}}+{{I}_{2}}\] is   [Bihar MEE 1997]

A.                 7             
B.                 1/49
C.                 49          
D.                 21
E.                 63
Answer» C.                 49          


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