$Mn{O_2}\, + \,4NaCl\, + 4{H_2}S{O_4}\, \to $ $MnC{{l}_{2}}\,+\,4NaHS{{O}_{4}}\,+\,2{{H}_{2}}O\,+\underset{\begin{smallmatrix}
(Z) \\
pungent
\\
gas
\end{smallmatrix}}{\mathop{\,C{{l}_{2(g)}}}}\,$
[બાહ્ય ઇલેક્ટ્રોનિક રચના: $(n -1)d^x\, ns^{1\, or \,2}$]