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प्रश्न
Cl2 acts as a bleaching agent.
उत्तर
It is a powerful bleaching agent. Bleaching action is due to oxidation.
Cl2 + H2O → 2HCl + O
Coloured substance Colourless substance + O → It bleaches organic matter in the presence of moisture. Bleaching effect of chlorine is permanent.
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संबंधित प्रश्न
Iodine exists as
- polar molecular solid
- ionic solid
- nonpolar molecular solid
- hydrogen bonded molecular solid
Account for the following :
Acidic character increases from HF to HI.
F2 has lower bond dissociation enthalpy than Cl2. Why?
Which halogen compound in each of the following pairs will react faster in SN2 reaction CH3Br or CH3I
Arrange the following in the decreasing order of their reducing character :
HF, HCl, HBr, HI
Tincture of iodine is ____________.
Fluorine differs from the rest of the halogens in some of its properties. This is due to ____________.
Reduction potentials of some ions are given below. Arrange them in decreasing order of oxidising power.
| Ion | \[\ce{CIO^{-}_{4}}\] | \[\ce{IO^{-}_{4}}\] | \[\ce{BrO^{-}_{4}}\] |
| Reduction potential EΘ/V |
EΘ = 1.19 V | EΘ = 1.65V | EΘ = 1.74 V |
Statement I: Acid strength increases in the order given as HF << HCl << HBr << HI.
Statement II: As the size of the elements F, Cl, Br, and I increase down the group, the bond strength of HF, HCl, HBr, and HI decreases and so the acid strength increases.
In the light of the above statements, choose the correct answer from the options given below.
Give a reason for the following:
Mn+2 compounds are more stable than Fe+2 compounds.
