K2Cr2O7 + I- + H+ → I2 (x = number of moles of e- exchanged per mol I2) K2Cr2O7 + S2- → S (y = number of moles of e- exchanged for mole of S) x + y is A) 12 B) 9 C) 4 D) 6

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Question

K2Cr2O7 + I- + H+ → I2 (x = number of moles of e- exchanged per mol I2) K2Cr2O7 + S2- → S (y = number of moles of e- exchanged for mole of S) x + y is

A) 12
B) 9
C) 4
D) 6

Prashant Kotian · Accepted Answer

Correct answer: C

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