JEE Main Chemistry question

aK_2Cr_2O_7 + bKCl + cH_2SO_4 \to xCrO_2Cl_2 + yKHSO_4 + zH_2O

The above equation balances when [Kerala CEE 2004]

Answer: (D)

Solution

With : left side has K: , Cr: 2, Cl: 4, H: 12, S: 6, O: ; right side has

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Question ID VK-136680