First slide

Chlorine - properties ,Structure and Uses

Question

Bromine is obtained on commercial scale from

Moderate

A

Caliche
B

Carnallite
C

Common salt
D

Cryolite

Solution

Carnallite is $KCl . {MgCl}_{2} . 6 H_{2} O$ . The mother liquor left after crystallisation of KCl from carnallite contain about 0.25% of bromine as ${MgBr}_{2} and KBr$ .

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