In standardization of Na₂S₂O₃ using K₂Cr₂O₇ by iodometry, the equivalent weight of K₂Cr₂O₇ is [IIT 2000]

Question: In standardization of Na₂S₂O₃ using K₂Cr₂O₇ by iodometry, the equivalent weight of K₂Cr₂O₇ is [IIT 2000]

(a) MW/2

(b) MW/3

(c) MW/6

(d) MW/1

Correct Answer: (c) MW/6

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