1.

At 250^(@)C , the half life for the decomposition of N_(2)O_(5) is 5.7 hour and is independent of initial pressure of N_(2)O_(5). The specific rate constant is

Answer»

`(0.693)/(7)`
`0.693xx5.7`
`(5.7)/(0.693)`
NONE of the above

Answer :A


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