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प्रश्न
Which of the following equation depicts reducing nature of \[\ce{H2O2}\]?
विकल्प
\[\ce{2[Fe(CN)6]^{4-} + 2H^{+} + H2O2 -> 2[Fe(CN)6]^{3-} + 2H2O}\]
\[\ce{I2 + H2O2 + 2OH^{-} -> 2I^{-} + 2H2O + O2}\]
\[\ce{Mn^{2+} + H2O2 -> Mn^{4+} + 2OH-}\]
\[\ce{PbS + 4H2O2 -> PbSO4 + 4H2O}\]
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उत्तर
\[\ce{I2 + H2O2 + 2OH^{-} -> 2I^{-} + 2H2O + O2}\]
Explanation:
As iodine is reduced from 0 to –1.
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संबंधित प्रश्न
Among NH3, H2O and HF, which would you expect to have highest magnitude of hydrogen bonding and why?
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Melting point, enthalpy of vapourisation and viscosity data of \[\ce{H2O}\] and \[\ce{D2O}\] is given below :
| \[\ce{H, O}\] | \[\ce{D2O}\] | |
| Melting point / K | 373.0 | 374.4 |
| Enthalpy of vapourisation at (373 K)/kJ mol–1 | 40.66 | 41.61 |
| Viscosity/centipoise | 0.8903 | 1.107 |
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