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प्रश्न
Name : A positively charged not metallic ion
उत्तर
\[\ce{NH^{+}_{4}}\]
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संबंधित प्रश्न
Give reasons why Sodium Chloride will conduct electricity only in the fused or aqueous solution state.
A solution of caustic soda (NaOH) in water or when fused, conducts an electric current. What is the similarity in these two cases?
State the electrode reaction at the anode during electrolysis of:
sodium chloride solution.
State the electrode reaction at the anode during electrolysis of:
magnesium chloride (molten).
(a) Copy and complete the following table, which refers to two practical applications of electrolysis.
| Anode | Electrolyte | Cathode | |
| (i) Silver plating of a spoon | A solution of potassium argentocyanide | ||
| (ii) Purification of copper | |||
| (iii) Extraction of sodium |
(b) Write the equation taking place at the anode for Q. (a).
Write down the changes that will be seen in each instance and explain the reason behind them.
Dilute H2SO4 was taken in an electrolytic cell and an electric current was passed through it.
Fill in the black.
The metal plate trough which current enters into an electrolyte is called ___________. It has ____________ of electrons.
Complete the sentence by choosing correct words given in brackets.
Electrolysis is the passage of __________ (electricity/electrons) through a liquid or solution accompanied by a __________ ( physical/chemical ) change.
Identify the following reactions as either oxidation or reduction : K - e- → K+
Choose the option to match the description given below. Some letters may be repeated.
A sugar solution with sugar molecules and water molecules.
