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Statement 1: Is ${Na}_{2} {ZnO}_{2}$ water soluble whereas $Z n {(OH)}_{2}$ is insoluble.
Statement 2: Addition of NaOH solution to ${ZnCl}_{2}$ gives white ppt. which dissolves on further addition of NaOH due to the formation of complex cation.

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Statement 1 is correct and statement 2 is incorrect

Statement 1 is incorrect and statement 2 is correct

Both statements 1 and 2 are correct

Both statements 1 and 2 are incorrect

answer is B.

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Detailed Solution

${ZnCl}_{2} + 2 NaOH \overset{}{\to} Zn {(OH)}_{2} + 2 NaCl Zn {(OH)}_{2} + 2 NaOH \overset{}{\to} {Na}_{2} [{ZnO}_{2}] + 2 H_{2} O {[{ZnO}_{2}]}^{2 -} is a complex anion .$

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