The results given in the below table were obtained during kinetic studies of the following reaction : 2A + B C + D 2 2 1 1 10 . Y . V 20 . 2 . X IV 20 . 1 . 2 . III 40 . 2 . 1 . II 00 . 1 . 1 . I min

Question

The results given in the below table were obtained during kinetic studies of the following reaction : 2A + B C + D 2 2 1 1 10 . Y . V 20 . 2 . X IV 20 . 1 . 2 . III 40 . 2 . 1 . II 00 . 1 . 1 . I min molL / rate Initial molL /] B [ molL /] A [ Experiment X and Y in the given table are respectively :

(A) 0.3, 0.4
(B) 0.4, 0.3
(C) 0.4, 0.4
(D) 0.3, 0.3

Prashant Kotian · Accepted Answer

Correct answer: A. Rate = b a B A k from Exp (1) & (2) b = 2 from Exp (1) & (3) a = 1 from Exp (2) & (4)  3 = 1 . x       so x = 0.3 | JEE MAIN-2020 | DATE : 02-09-2020 (SHIFT-2) | PAPER-2 | OFFICIAL PAPER | CHEMISTRY PAGE # 5 from Exp (1) & (5)  48 =  1 . y       (4)2 = 1 . y       so y = 0.4

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