Cr 2 O 72- pH - x - CrO 42- pH - y - Cr 2 O 72- The pH values of x and y can be-A- 4 and 5B- 4 and 8C- 8 and 4D- 8 and 9

The correct option is C 8 and 4Cr_2 O^2 _7 CrO^2 _4 CrO^2 _4 Cr_2 O^2 _7 ...

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Salt of Strong Acid and Weak Base

Cr 2 O 72- pH...

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 -}

p H

x

y

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 -} o r a n g e p H = x ⇆ p H = y C r O_{4}^{2 -} g r e e n

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 -}

\begin{matrix} p H = X C r_{2} O_{7}^{2 -} & ⇌ & C r O_{4}^{2 -} (o r a n g e) & p H = Y & (g r e e n) \end{matrix}

p H

X

Y

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