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प्रश्न
Brown ring disappear if the test tube is disturbed.
उत्तर
lf the test tube is disturbed brown ring will disappear because the complex formed will get dissolved in the layers of the liquid.
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संबंधित प्रश्न
Give a balanced chemical equation for Laboratory preparation of Nitric acid.
Name the products formed when dilute \[\ce{HNO3}\] is added to copper.
How will you prepare the following from nitric acid?
Sodium nitrate
Give the chemical name and formula of the substance formed as a brown ring in the test for nitrate radical.
Give reason for the following:
Commercial nitric acid is yellow in colour, but when it is diluted with water, it turns colourless.
What happen when (Given balanced equation) :
Nitric acid is dissolved in large amount of water?
What happen when (Given balanced equation):
Nitric acid is added to washing soda and the resulting gas is passed through a freshly prepared lime water?
What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Give two chemical tests to distinguish between dilute nitric acid and hydrochloric acid.
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
