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प्रश्न
Identify the following reactions as either oxidation or reduction : Fe+3 + e- → Fe+2
उत्तर
Reduction
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संबंधित प्रश्न
Give reasons why Sodium Chloride will conduct electricity only in the fused or aqueous solution state.
Give reason for the following:
Carbon tetrachloride is a liquid but does not conduct electricity.
Fill in the blank.
The ions which discharge on the negative electrode during electrolysis _____________ electrons, Thus the ions are said to be __________.
Name : A positively charged not metallic ion
Give one example of a substance which contain :
Ions only
Copy and complete the following sentence :
With platinum electrodes, hydrogen is liberated at the ______and oxygen at the _________ during the electrolysis of acidified water.
Identify the following reactions as either oxidation or reduction : O + 2e- → O-2
Choose A, B, C or D to match the descriptions (i) to (v) below . Some alphabets may be repeated.
(A) Non-electrolyte, (B) Strong electrolyte, (C) Weak electrolyte, (D) Metallic conductor
(i) Molten ionic compound
(ii) Carbon tetrachloride
(iii) An aluminium wire
(iv) A solution containing solvent molecules, solute molecules and ions formed by the dissociation of solute molecules
(v) A sugar solution with sugar molecules and water molecules.
During the electrolysis of molten lead bromide, which of the following takes place?
X - \[\ce{HCl <=> H^{1+} + Cl-}\] (in solution state)
Y - \[\ce{PbBr2 <=> Pb^{2+} + 2Br^{1-}}\] (in molten state)
From the above reaction X or Y, identify the reaction which exhibit:
electrolytic dissociation
