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Standard X

Chemistry

Ideal Gas Equation

10.20 ml H202...

Question

10.20 ml H202 sol. React completely with 20ml of KMnO4 sol. Under acidic medium . The same vol.of KMnO4 required 10ml of MnSO4 in a neutral medium to give brown PPT. Of MnO2. This PPT. was reacted completely with 10ml. Of 0.2M Na2C2O4 under acidic medium. Find the molarity of H2O2?

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Q. A 3.4

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K M n O_{4}

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Q. Hydrogen peroxide solution (20 mL) reacts quantitatively with a solution of

K M n O_{4}

(20 mL) acidified with dilute

H_{2} S O_{4}

, The same volume of the

K M n O_{4}

solution is just decolorized by 10mL of

M n S O_{4}

in neutral medium simultaneously forming a dark brown precipitate of hydrated

M n O_{2}

The brown pecipitate is dissolved in 10 mL of 0.2 M sodium oxalate under boiling condition in the presence of dilute

H_{2} S O_{4}

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