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Given : XNa2HAsO3 + YNaBrO3 + ZHCl → NaBr + H3AsO4 + NaCl The values of X, Y and Z in the above redox reaction are respectively:

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Given :

XNa2HAsO3 + YNaBrO3 + ZHCl → NaBr + H3AsO4 + NaCl

The values of X, Y and Z in the above redox reaction are respectively:

(a) 2, 1, 2

(b) 2, 1, 3

(c) 3, 1, 6

(d) 3, 1, 4

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Correct answer: (c) 3, 1, 6

Explanation:

On balancing the given reaction, we find

3Na2HAsO3 + NaBrO3 + 6HCl → 6NaCl + 3H3AsO4 + NaBr

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