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प्रश्न
Which of the following equation depicts reducing nature of \[\ce{H2O2}\]?
पर्याय
\[\ce{2[Fe(CN)6]^{4-} + 2H^{+} + H2O2 -> 2[Fe(CN)6]^{3-} + 2H2O}\]
\[\ce{I2 + H2O2 + 2OH^{-} -> 2I^{-} + 2H2O + O2}\]
\[\ce{Mn^{2+} + H2O2 -> Mn^{4+} + 2OH-}\]
\[\ce{PbS + 4H2O2 -> PbSO4 + 4H2O}\]
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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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Water is a universal solvent.
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There is no alternative to water for cleaning purposes.
State whether the following statement is true or false.
The substance in which a solute dissolves is called a solvent.
Explain the various properties of water.
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Define the following.
Boiling point
Some of the properties of water are described below. Which of them is/are not correct?
(i) Water is known to be a universal solvent.
(ii) Hydrogen bonding is present to a large extent in liquid water.
(iii) There is no hydrogen bonding in the frozen state of water.
(iv) Frozen water is heavier than liquid water.
If same mass of liquid water and a piece of ice is taken, then why is the density of ice less than that of liquid water?
\[\ce{H2O2}\] is a better oxidising agent than water. Explain.
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 |
On the basis of this data explain in which of these liquids intermolecular forces are stronger?
Why does water show high boiling point as compared to hydrogen sulphide? Give reasons for your answer.
How will you account for 104.5° bond angle in water?
The boiling point of water increases with ______ in pressure.
The freezing point of water ______ with an increase in pressure.
Freezing of water will cause an ______ is the volume.
______ has the highest latent heat of fusion.
One gram of water requires ______ of heat to raise its temperature by l°C.
What is the taste of distilled water & boiled water?
