Cr2 O2-7 CrO2-4 Cr2 O2-7-The -pH- values of x and y can be-

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Potassium Dichromate

Cr2 O2-7 CrO2...

Question

$C r_{2} O_{7}^{2 -} p H = x - -- \to C r O_{4}^{2 -} p H = y - -- \to C r_{2} O_{7}^{2 -}$ .The `pH` values of x and y can be:

4 and 5

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4 and 8

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8 and 4

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8 and 9

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C r_{2} O_{7}^{2 -} p H = x - -- \to C r O_{4}^{2 -} p H = y - -- \to C r_{2} O_{7}^{2 -}

C r_{2} O_{7}^{2 -} p H > a \to C r O_{4}^{2 -} p H < b \to C r_{2} O_{7}^{2 -}

\frac{a}{b}

C r_{2} O_{7}^{2 -} p H = x \to C r O_{4}^{2 -} p H = y \to C r_{2} O_{7}^{2 -}

C r_{2} O_{7}^{2 -} p H = x - -- \to C r O_{4}^{2 -} p H = y - -- \to C r_{2} O_{7}^{2 -}

C r_{2} O_{7}^{2 -} p H = x - -- \to C r O_{4}^{2 -} p H = y - -- \to C r_{2} O_{7}^{2 -}

p H

x

y

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