The coefficients w, x, y, z in the reaction w Cr_2O_7^ 2- + x Fe^ 2+ y Cr^ 3+ + z Fe^ 3+ + H_2O are respectively w x y z

MHT CET Chemistry question

The coefficients w, x, y, z in the reaction w\mathrm{Cr_2O_7^{2-}} + x\mathrm{Fe^{2+}} \longrightarrow y\mathrm{Cr^{3+}} + z\mathrm{Fe^{3+}} + H_2O are respectively w x y z

(A)1, 2, 6, 6
(B)6, 1, 2, 4
(C)1, 6, 2, 6Correct
(D)1, 2, 4, 6

Answer: (C)

Solution

The balanced equation is Cr_2O_7^{2-}Fe^{2+}H^+Cr^{3+}Fe^{3+}$} +

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Question ID VK-065851