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प्रश्न
Write the difference between with examples:
A strong electrolyte and a weak electrolyte
उत्तर
A strong electrolyte and a weak electrolyte :
| Sr.No. | Characteristics | Strong electrolyte | Weak electrolyte |
| 1 | Dissociation into ions in aqueous solution. | Almost complete | Partial and not much |
| 2 | Species present in solution. | Almost only free ions | Both ions and undissociated molecules. |
| 3 | Number of ions present in solution. | Very large | Only limited in numbers |
| 4 | Quantity of current conducted | Large amounts, a bulb glows brightly | Only small amounts, a bulb glows dimly |
| 5 | Examples | HCl, NaOH, NaCl | CH3COOH, NH4OH. |
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संबंधित प्रश्न
Choose the correct answer from the options given below :
The particles present in strong electrolytes are :
(A) Only molecules
(B) Mainly ions
(C) Ions and molecules
(D) Only atoms
Give reason for the following:
In the electrolysis of acidified water, dilute sulphuric acid is preferred to dilute nitric acid for acidification.
Complete the sentence by choosing correct word given in bracket.
through a liquid or a solution accompanied by a ___________ (Physical / chemical) change.
State your observation for the following electrolytic reaction:
Solid copper sulphate is electrolysed between platinum electrodes.
State your observation for the following electrolytic reaction
Aqueous copper sulphate is electrolysed between platinum electrodes.
Fill in the black.
The metal plate through which ____________ leaves from an electrolyte is called ____________ .It has ______________ of electrons.
How electrolysis can be used in extraction of aluminium? Why aluminium cannot be reduced by conventional reducing agents?
Write down the word or phrase from the given options that will correctly fill in the blanks in the following sentence:
We can expect that pure water _______ normally conduct electricity.
Copy and complete the following sentence :
With platinum electrodes, hydrogen is liberated at the ______and oxygen at the _________ during the electrolysis of acidified water.
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.
