PH-X Cr2O72- - CrO42- orange pH-Y greenThis change is based on change in pH- Probable values of X and Y cannot be -

The correct options are B 8, 10 C 4, 6 amp;pH=X= 8 #160; or 4 (less #160;than Y) Cr_2O_7^2 amp;⇌ amp;CrO_4^2 orange amp;pH=Y= 10 ...

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Arrhenius Acid

pH=X Cr2O72-...

Question

$\begin{matrix} p H = X C r_{2} O_{7}^{2 -} & ⇌ & C r O_{4}^{2 -} (o r a n g e) & p H = Y & (g r e e n) \end{matrix}$
This change is based on change in $p H$ . Probable values of $X$ and $Y$ cannot be :

8, 6

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8, 10

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4, 6

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change is independent of

p H

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Solution

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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 -}

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

The addition of ammonium chloride to 0.1 M acetic acid will cause:

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