When chlorine gas is added to cold aqueous sodium hydroxide, a reaction takes place. It also reacts with hot aqueous sodium hydroxide. What oxidation numbers does chlorine have in the products of these reactions?
- Acold: $-1$, $+1$; hot: $-1$, $+5$
- Bcold: $-1$, $+1$; hot: $+1$, $+6$
- Ccold: $-1$, $+2$; hot: $-1$, $+5$
- Dcold: $-1$, $+2$; hot: $+1$, $+6$