The following data was obtained for chemical reaction given below at 975 K. 2NO(g) + 2H2(g) N2(g) + β JEE Mains Chemistry Past Papers Chemistry Question
Question
The following data was obtained for chemical reaction given below at 975 K. 2NO(g) + 2H2(g) N2(g) + 2H2O(g) [NO] [H2] Rate mol Lβ1 mol Lβ1 mol Lβ1 sβ1 (A) 8 Γ 10β5 8 Γ 10β5 7 Γ 10β9 (B) 24 Γ 10β5 8 Γ 10β5 2.1 Γ 10β8 (C) 24 Γ 10β5 32 Γ 10β5 8.4 Γ 10β8 The order of the reaction with respect to NO isβ¦β¦β¦β¦ [Integer answer] uhps nh x;h jklk;fud vfHkfΓ;k ds fy, 975 K ij fuEufyf[kr vkΒ‘dM+s izkIr gq, : 2NO(g) + 2H2(g) N2(g) + 2H2O(g) [NO] [H2] nj mol Lβ1 mol Lβ1 mol Lβ1 sβ1 (A) 8 Γ 10β5 8 Γ 10β5 7 Γ 10β9 (B) 24 Γ 10β5 8 Γ 10β5 2.1 Γ 10β8 (C) 24 Γ 10β5 32 Γ 10β5 8.4 Γ 10β8 NO ds izfr vfHkfΓ;k dh dksfV gSaβ¦β¦β¦β¦ [fudVre iw.kkZd esa]
π‘ Solution & Explanation
rate = K[NO]x [H2]y From (A) 7 Γ 10β9 = K(8 Γ 10β5)x (8 Γ 10β5)y β¦β¦β¦β¦. (1) From (B) 2.1 Γ 10β8 = K(24 Γ 10β5)x (8 Γ 10β5)y β¦β¦β¦β¦. (2) (1)/(2) ο 9 1 . 10 ο ο ο΄ ο΄ = y x y x ) 8 ( ) 24 ( K ) 8 ( ) 8 ( K ο ο ο ο ο΄ ο΄ ο΄ ο΄ ο· οΈ οΆ ο§ ο¨ ο¦ 1 = x 1 ο· οΈ οΆ ο§ ο¨ ο¦ οο x = 1 Order of reaction w.r.t. NO is x = 1. | JEE MAIN-2021 | DATE : 26-08-2021 (SHIFT-1) | PAPER-1 | OFFICIAL PAPER | CHEMISTRY PAGE # 11