1.

The rate of disappearance of `SO_(2)` in the reaction `2SO_(2) + O_(2) rarr 2SO_(3)` is `1.28 xx 10^(-3) g//sec` then the rate of formation of `SO_(3)` isA. `0.64 xx 10^(-3) g//sec`B. `0.80 xx 10^(-3) g//sec`C. `1.28 xx 10^(-3) g//sec`D. `1.60 xx 10^(-3) g//sec`

Answer» Correct Answer - C
The rate of formation of `SO_(3)` is `1.28 xx 10^(-3) g//sec`.
`(-d[SO_(2)])/(d t) = 1.28 xx 10^(-3)`
`r = -(1)/(2) (d[SO_(2)])/(d t) = (1)/(2)(d[SO_(3)])/(d t) = -(d[O_(2)])/(d t)`
`rArr -(1)/(2) (d[SO_(2)])/(d t) = -(1)/(2) (d[SO_(3)])/(d t)`
`rArr (d[SO_(3)])/(d t) = 1.28 xx 10^(-3)`


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