AP EAPCET 19-Aug-2021 Shift 1 Paper

Section: Chemistry

Question : 155 of 160

Marks: +1, -0

A compound A is used in paints instead of salts of lead. Compound A is obtained when a white compound B is strongly heated. Compound B is insoluble in water but dissolves in NaOH solution forming a solution of compound C. The compound A on heating with coke gives a volatile metal D and a gas E which burns with a blue flame. Identify the possible species D and C can be respectively?

D−Hg‌‌C−Hg(OH)2
D−Cd‌‌C−Na2[Cd‌O2]
D−Zn‌‌‌C−Na2‌Zn‌O2
D−Zn‌‌‌C−Zn(OH)2

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