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Electrolysis and Electrolytes

Take 25ml w...

Question

Take $25 m l$ water in a beaker and the pass electricity through it. Then add little sulphuric acid in it.
Which ion is having highest oxidation potential?

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Solution

$H_{2} O$ has the highest oxidation potential when compared to $S O_{4}^{2 -}$

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Q. In order to carry out the decomposition reaction of water, a student passes electric current from a battery through water containing a few drops of dilute sulphuric acid. In this process, two volume of gas X are collected in a test-tube inverted over cathode (negative electrode) whereas one volume of gas Y is collected in the test-tube inverted over anode (positive electrode).
(a) Why do we add a few drops of dilute sulphuric acid to water before passing electric current?
(b) Name the gas X.
(c) Name the gas Y.
(d) What does this decomposition reaction tell us about the composition of water?

explain:

when ammonium nitrate is dissolved in water contained in a beaker,it becomes cold?

when little sulphuric acid is added to water in a beaker,it becomes hot?

Q. explain when a little sulphuric acid is added to water in a beaker the water become hot

when sulphuric acid is added to water, it produce hydroniun ions which makes possible the conduction of electricity through water

Is it becausewhen sulphuric acid is added to water, it produce hydroniun ions which makes possible the conduction of electricity through water

Q. When little sulphuric acid is added to water in a breaker it becomes hot. Give reason

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