A solution of Na_2S_2O_3 is standardised iodometrically by using K_2Cr_2O_7. The equivalent weight of K_2Cr_2O_7 in this method is:

A solution of Na_2S_2O_3 is standardised iodometrically by using K_2Cr

1.	A solution of Na_2S_2O_3 is standardised iodometrically by using K_2Cr_2O_7. The equivalent weight of K_2Cr_2O_7 in this method is:
Answer» Mol. Wt/2 Mol. Wt/6 Mol. Wt/3 equal to mol wt. Solution :`Cr_(2)O_(7)^(2-) to 2Cr^(3+)` EQ. wt. `=("Mol wt")/6`