The valencies of two elements A and B are +2 and +3 respectively. Then, the formulae of the sulphate of B and chloride of A
respectively are:
B3(SO4)2. ACI
B2(SO4)3, ACL
BSO4, AC
O B.S04, ACI
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Answer:option 2
Explanation:the valency of A is 2 and B is 3 so the compound will be A3B2 as according to cross multiple so if BA then B2A3
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