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एक प्रथम कोटि अभिक्रिया का अर्ध्द – आयुकाल 530 sec है । उसका दर – नियतांक होगा।A. `2.88 XX 10^(-3) SEC^(-1)`B. `2.72 xx 10^(-3) sec^(-1)`C. `1.307 xx 10^(-3) sec^(-1)`D. `1.44 sec^(-1)`

Answer» Correct Answer - C
`k= (0.693)/(t_(1//2)) = (0.693)/(430) = 0.001612` या `1.61 xx 10^(-3)` से़`^(-3)`


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