Complete the following chemical equation-i Cr2O72- - 6Fe2- - 14H-ii 2CrO42- - 2H-iii 2MnO4- - 5C2O42- - 16H-

(i) Cr_2O_7^2 + 6Fe^2+ + 14H^+→ 6Fe^3+ #160;+ 2Cr^3+ + 7H_2O (ii) 2CrO_4^2 + 2H^+→ Cr_2O_7^2 +H_2O (iii) 2MnO_4^ + 5C_2O_4^2 + 16H^+→ 2Mn^ ...

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Byju's Answer

Standard XII

Chemistry

Ion Electron Method

Complete the ...

Question

Complete the following chemical equation:
(i) $C r_{2} O_{7}^{2 -} + 6 F e^{2 +} + 14 H^{+} \to$
(ii) $2 C r O_{4}^{2 -} + 2 H^{+} \to$
(iii) $2 M n O_{4}^{-} + 5 C_{2} O_{4}^{2 -} + 16 H^{+} \to$

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Solution

(i) $C r_{2} O_{7}^{2 -} + 6 F e^{2 +} + 14 H^{+} \to 6 F e^{3 +} + 2 C r^{3 +} + 7 H_{2} O$
(ii) $2 C r O_{4}^{2 -} + 2 H^{+} \to C r_{2} O_{7}^{2 -} + H_{2} O$
(iii) $2 M n O_{4}^{-} + 5 C_{2} O_{4}^{2 -} + 16 H^{+} \to 2 M n^{2 +} + 10 C O_{2} + 8 H_{2} O$

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Similar questions

Q. Complete the following reactions.

(i) C r_{2} O_{7}^{2 -} + 3 S O_{2} + 2 H^{+} \to 2 C r^{3 +} +

____

+ H_{2} O

(i i) 2 M n O_{4}^{-} + 5 S O_{3}^{2 -} + 6 H^{+} \to 2 M N^{2 +} +

____

3 H_{2} O

(i i i) C r_{2} O_{7}^{2 -} + 6 F e^{2 +} + 14 H^{+} \to 2 C r^{3 +}

____

7 H_{2} O

How many $H_{2} O$ should be added to the RHS of the following equation to balance number of oxygen atoms on the left ?

$6 F e^{2 +} + C r_{2} O_{7}^{2 -} + 14 H^{+} ⟶ 6 F e^{3 +} + 2 C r^{3 +} +$ ___________

Q. Which one is oxidising agent in the reaction,

2 C r O_{4}^{2 -} + 2 H^{+} \to C r_{2} O_{7}^{2 -} + H_{2} O

Q. Can the reaction

C r_{2} O_{7}^{2 -} + H_{2} O \to 2 C r O_{4}^{2 -} + 2 H^{+}

be regarded as a redox reaction?

M n O_{4}^{-}

reacts with oxalate according to the equation:

2 M n O_{4}^{-} + 5 C_{2} O_{4}^{2 -} + 16 H^{+} \to 2 M n^{2 +} + 10 C O_{2} + 8 H_{2} O

Here

20 m L

0.1 M M n O_{4}^{-}

is equivalent to -

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Complete the following chemical equation:(i) Cr2O2−7+6Fe2++14H+→(ii) 2CrO2−4+2H+→(iii) 2MnO−4+5C2O2−4+16H+→

(i) Cr2O2−7+6Fe2++14H+→6Fe3++2Cr3++7H2O(ii) 2CrO2−4+2H+→Cr2O2−7+H2O(iii) 2MnO−4+5C2O2−4+16H+→2Mn2++10CO2+8H2O

Complete the following chemical equation:
(i) $C r_{2} O_{7}^{2 -} + 6 F e^{2 +} + 14 H^{+} \to$
(ii) $2 C r O_{4}^{2 -} + 2 H^{+} \to$
(iii) $2 M n O_{4}^{-} + 5 C_{2} O_{4}^{2 -} + 16 H^{+} \to$

(i) $C r_{2} O_{7}^{2 -} + 6 F e^{2 +} + 14 H^{+} \to 6 F e^{3 +} + 2 C r^{3 +} + 7 H_{2} O$
(ii) $2 C r O_{4}^{2 -} + 2 H^{+} \to C r_{2} O_{7}^{2 -} + H_{2} O$
(iii) $2 M n O_{4}^{-} + 5 C_{2} O_{4}^{2 -} + 16 H^{+} \to 2 M n^{2 +} + 10 C O_{2} + 8 H_{2} O$