Correct statement(s) is/are - Vidyadip

MCQ

Correct statement(s) is/are

A
an acidified solution of $K_2Cr_2O_7$ liberates iodine from $KI$
B
$K_2Cr_2O_7$ is used as a standard solution for estimation of $Fe^{2+}$ ions
C
in acidic medium, $M = N/6$ for $K_2Cr_2O_7$
✓
All of the above

✓

Answer

Correct option: D.

All of the above

d

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