The following data were obtained at a certain temperature for the decomposition of N H 3 in contact with catalyst. P(mn) 25 50 100 t 1/2 1 .82 0 .91 0 .45 The order of reaction is

Question

The following data were obtained at a certain temperature for the decomposition of N H 3 in contact with catalyst. P(mn) 25 50 100 t 1/2 1 .82 0 .91 0 .45 The order of reaction is, 2, 3, 1, 4

MARKS App · Accepted Answer

Applying half life method to find order of reaction given below t 1/2 1 2 t 1 / 2 2 = a 2 a 1 n − 1 1.82 0.91 = 50 25 n - 1 2 = 2 n - 1 or n − 1 = 1 n = 2 .

$P(mn)$	$25$	$50$	$100$
$t_{1/2}$	$1 .82$	$0 .91$	$0 .45$

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