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For which of the following reactions average molar mass at any progress of reaction can not be 60 gm/mole.A. `SO_(3) (g) rarr SO_(2) (g) + (1)/(2) O_(2) (g)`B. `N_(2)O_(4) (g) rarr 2NO_(2) (g)`C. `Cl_(2) (g) rarr 2Cl (g)`D. `2 NH_(3) (g) rarr N_(2) (g) + 3H_(2) (g)` |
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Answer» Correct Answer - D `{:(2NH_(3) (g),rarr,N_(2) (g),+,3H_(2) (g),),(1,,0,,0,),(1 - 2x,,x,,3x,):}` `M_(avg) = ((1 - 2x) 17 + x (28) + 3x xx 2)/(1 + 2x) = 60` `17 = 60 + 120 x` x will be -ve which is not possible |
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