1.

Statemen I : In Pb_(3) O_(4) all Pb has + ( 8)/( 3) oxidation number. Statement II : Pb_(3) O_(4) is mixed oxide of PbO & PbO_(2)

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If both Statement-I and Statement-II are TRUE, and Statement-II is the CORRECT EXPLANATION of Statement–I.
If both Statement-I and Statement-II are true but Statement-II is not the correct explanation of Statement–I.
If Statement-I is true but Statement-II is FALSE.
If Statement-I is false but Statement-II is true.

Answer :D


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