1.

The decomposition of N_(2)O in carbon tetrachloride was followed bymesuring the volume of O_(2) gas evolved :2N_(2)O_(5)("CCL"_(4))to2N_(2)O_(4)("CC"L_(4))+O_(2)(g) . The maximum volume of O_(2) gas obtained was 100 cm^(3). In 500 minutes, 90 cm of O_(2) were evolved. The first order rate constant (in min^(-1) for the dissaperance of N_(2)O is :

Answer»

`(2.303)/(500)`
`(2.303)/(500)"LOG"(100)/(90)`
`(2.303)/(500)"log"(90)/(100)`
`(100)/(10xx500)`

ANSWER :A


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