Chemistry Question from JEE Main 2026 · 28 January, Shift 1

$500 \, \text{mL}$ of $1.2 \, \text{M}$ KI solution is mixed with $500 \, \text{mL}$ of $0.2 \, \text{M}$ $\mathrm{KMnO_4}$ solution in basic medium. The liberated iodine is titrated with standard $0.1 \, \text{M}$ $\mathrm{Na_2S_2O_3}$ solution in the presence of starch indicator till the blue colour disappears. The volume (in L) of $\mathrm{Na_2S_2O_3}$ consumed is _____ (nearest integer).