Ion Electron ...

Ion Electron Method

Trending Questions

Q. Balance the following equation by ion electron method:

C r_{2} O_{7}^{2 -} + C_{2} H_{4} O + H^{+} \to 2 C r^{3 +} + C_{2} H_{4} O_{2} + H_{2} O

$C r_{2} O_{7}^{2 -} + 3 C_{2} H_{4} O + 12 H^{+} \to 2 C r^{3 +} + 3 C_{2} H_{4} O_{2} + 6 H_{2} O$
$C r_{2} O_{7}^{2 -} + 3 C_{2} H_{4} O + 8 H^{+} \to 2 C r^{3 +} + 3 C_{2} H_{4} O_{2} + 4 H_{2} O$
$C r_{2} O_{7}^{2 -} + 3 C_{2} H_{4} O + 4 H^{+} \to 2 C r^{3 +} + 3 C_{2} H_{4} O_{2} + 2 H_{2} O$
$2 C r_{2} O_{7}^{2 -} + 3 C_{2} H_{4} O + 8 H^{+} \to 4 C r^{3 +} + 3 C_{2} H_{4} O_{2} + 4 H_{2} O$

Q. Identify the correctly balanced redox reaction using ion-electron method.

F e S O_{4} + K M n O_{4} + H_{2} S O_{4} \to F e_{2} (S O_{4})_{3} + M n S O_{4} + H_{2} O + K_{2} S O_{4}

$10 F e S O_{4} + 2 K M n O_{4} + 8 H_{2} S O_{4} \to 5 F e_{2} (S O_{4})_{3} + 2 M n S O_{4} + 8 H_{2} O + K_{2} S O_{4}$
$2 F e S O_{4} + 10 K M n O_{4} + 4 H_{2} S O_{4} \to 2 F e_{2} (S O_{4})_{3} + 5 M n S O_{4} + 8 H_{2} O + 10 K_{2} S O_{4}$
$8 F e S O_{4} + 10 K M n O_{4} + 2 H_{2} S O_{4} \to 5 F e_{2} (S O_{4})_{3} + 4 M n S O_{4} + H_{2} O + 2 K_{2} S O_{4}$
$10 F e S O_{4} + 8 K M n O_{4} + 2 H_{2} S O_{4} \to 4 F e_{2} (S O_{4})_{3} + 2 M n S O_{4} + 5 H_{2} O + K_{2} S O_{4}$

Q. Lassaigne's test for the detection of nitrogen will fail in the case of:

Q. Given redox reaction :

C l O^{-} + C r O_{2}^{-} \to C l^{-} + C r O_{4}^{2 -}

When balanced in a basic medium by oxidation number method, the ratio of stoichiometric coefficient of

O H^{-}

and

H_{2} O (\frac{n_{O H^{-}}}{n_{H_{2} O}})

will be: