Statement 1: Is Na2ZnO2 water soluble whereas ZnOH2 is insoluble.Statement 2: Addition of NaOH solution to ZnCl2 gives white ppt. which dissolves on further addition of NaOH due to the formation of complex cation.
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a
Both statements 1 and 2 are correct
b
Statement 1 is correct and statement 2 is incorrect
c
Statement 1 is incorrect and statement 2 is correct
d
Both statements 1 and 2 are incorrect
answer is B.
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Detailed Solution
ZnCl2 + 2NaOH → ZnOH2 + 2NaCl ZnOH2 + 2NaOH → Na2ZnO2 + 2H2O ZnO22- is a complex anion.