Question

State reason for the following -
a) Small amount of acid is added to water during electrolysis of water.
b) when ammonium chloride is dissolved in water in a test tube ,the test tube becomes
cold.
c) Why do we store silver chloride in dark bottle?



"Please give me answer in one line"​

Answer 1

$\huge\rm\underline\red{||Answer||}$

$\fbox \pink{⛄Ans.1⛄}$As we know pure water is not a good conductor of electricity. But by the addition of a small amount of acid during electrolysis of water, water could be decomposed to hydrogen gas and oxgyen gas easily.

$\fbox \pink{⛄Ans.2⛄}$On dissolving ammonium chloride (NH4Cl) in water in a test tube, the test tube becomes cold as it takes heat from the surrounding water. Hence, it is an endothermic reaction.

$\fbox \pink{⛄Ans.3⛄}$Silver chloride is a light-sensitive chemical compound andit easily undergoes photolytic decomposition reaction. Silver chloride decomposes into silver and chlorine gas when exposed to sunlight. Hence Silver chloride is stored in dark-colored bottles.

$\fbox \green{⛄Hope it will help you⛄}$

Answer 2

State reason for the following

(i) Small amount of acid is added to water during electrolysis of water.

(ii) When ammonium chloride is dissolved in water in a test tube, the test tube becomes cold.

(iii) Paint is applied on iron particles.