KVPY SA Exam 2012 Question Paper

$\KMnO_4+\KBr+\H_2\SO_4$ $→\Mn_2\SO_4+\K_2\SO_4$ $+\Br_2+\H_2\O$
Balanced equations
$2\KMnO_4+10\KBr+8\H_2\SO_4$ $→2\MnSO_4+5\Br_2$ $+6\K_2\SO_4+8\H_2\O$
Eq. of $\KMnO_4$ = Eq. of $\Br_2$
Mole × n = Mole × n
$2×5=\Mole×2$
5 moles of $\Br_2$ areformed