In the titration of $K_{2} {Cr}_{2} O_{7}$ and ferrous sulphate following data is obtained :
$V_{1}$ mL of $K_{2} {Cr}_{2} O_{7}$ solution of molarity $M_{1}$ requires
$V_{2}$ mL of ${FeSO}_{4}$ solution of molarity $M_{2}$ .
Which of the following relations is/are true for the above titration?

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$M_{1} V_{1} = M_{2} V_{2}$

$6 M_{1} V_{1} = M_{2} V_{2}$

$M_{1} V_{1} = 6 M_{2} V_{2}$

$N_{1} V_{1} = N_{2} V_{2}$

answer is A, C.

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Detailed Solution

n the titration of $K_{2} {Cr}_{2} O_{7}$ and ferrous sulphate following data is obtained :

$V_{1}$ mL of $K_{2} {Cr}_{2} O_{7}$ solution of molarity $M_{1}$ requires

$V_{2}$ mL of ${FeSO}_{4}$ solution of molarity $M_{2}$ .

$V_{1} \times M_{1} \times 6 = V_{2} \times M_{2} \times 1$

Also,

$N_{1} V_{1} = N_{2} V_{2}$

Hence, the correct option is a and c.

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