A) PbSo4 (B) Pb(SO42 (C) Pb2s04 (D) Pb(SO4)a – InterviewSolution

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1.	A) PbSo4 (B) Pb(SO42 (C) Pb2s04 (D) Pb(SO4)a
Answer» Leadis more stable invalency2 than 4. Hence,leadshowsthe valencyof 2. The s electrons of the elements down the group cannot participate in chemical reactions because of the powerful nuclear attraction. SoPb exhibits +2 oxidation state rather than +4.Hence, option (A) is correct.

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