An organic compound undergoes first order decomposition. The time taken for decomposition to th 8 and th 10 of its initial concentration are t1/8 and t1/10 respectively. What is the value of 1/8 1/10

Question

An organic compound undergoes first order decomposition. The time taken for decomposition to th 8 and th 10 of its initial concentration are t1/8 and t1/10 respectively. What is the value of 1/8 1/10 t t ? (log 2 = 0.3)

(A) 9
(B) 0.9
(C) 3
(D) 30

Prashant Kotian · Accepted Answer

Correct answer: A. t A t ln k A  1/8 A 1 t ln ln8 k A / 8 k   1/10 A 1 t ln ln10 k A /10 k   1/8 1/10 t ln8 log8 t ln10 log10   1/8 1/10 t log8 3log2 0.9 t    1/8 1/10 t 9 t  

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