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Why is nitric acid in the dilute form not used in the laboratory preparation of hydrogen from metals?
Wiki User
∙ 11y ago
It is because nitric acid is a strong oxidising agent (because it decomposes to yield nascent oxygen as:2HNO3 →2NO2 + H2O + [O])and it oxidises the hydrogen formed to water.Only 1% dilute and cold nitric acid reacts with magnesium and manganese to liberate Hydrogen gas.
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoThis is probably due to the fact that is an oxidizing agent. The nascent oxygen that is decomposed oxidizes hydrogen to water and does not liberate hydrogen.
Wiki User
∙ 13y agoDilute nitric acid is not used for the preparation of hydrogen as it is a strong oxidising agent and will produce hydrogen only when dilute nitric acid react with magnesium
Wiki User
∙ 10y agoBecause it's way too dangerous to use nitric acid for this.
Wiki User
∙ 7y agoNitric acid (HNO3) is a strong oxidizing agent, and so any hydrogen gas (H2) that would be formed would be oxidized to H2O. This is why it isn't routinely used.
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The gas evolved when metals react with dilute acids?
When dilute acids and metals are mixed you will get Hydrogen gas and salts
What Gas produced when metals react with dilute hydrochloric acid?
Hydrogen gas. This can be tested via the 'pop' test.
Which metal does not produce hydrogen when added to dilute hydrochloric acid?
All of those metals which are located below hydrogen on the activity series will not replace it, and therefore not create hydrogen gas. Those metals would be copper, silver, mercury, platinum, and gold.
Why hydrogen is liberated when magnesium react with dilute nitric acid unlike other metals where hydrogen is not evolved?
This may due to Magnesium metal has high reactivity and concentration of nitric acid is dilute, thus magnesium reacts with H+ in water/ in nitric acid to give hydrogen
How do acids react with dilute acid?
metals reacts with dil.acid to form metal salt and hydrogen gas releases . eg - copper + dil. sulphuric acid = copper sulphate + hydrogen gas
The gas evolved when metals react with dilute acids?
When dilute acids and metals are mixed you will get Hydrogen gas and salts
Do non metals liberate hydrogen gas from dilute. acids?
No. Metals liberate hydrogen gas from acids.
What is the gas made when metals react with dilute acid?
Hydrogen
Which metals do not react with dilute acid to produce hydrogen?
For example metals as Pt, Au, Os and other.
What two metals will react with dilute hydrochloric acid?
Two metals that will react with dilute hydrochloric acid are zinc and magnesium.
What are the properties of Dilute Acids?
react with some metals to produce salt and hydrogen gas.
Which element reacts when it comes into contact with dilute acid?
All the metals above Hydrogen in electro chemical series as K,Na,Ca,Mg,Fe e.t.c when react with dilute acids produce hydrogen gas.
What is the history of non metals?
when alluminium reacts with dilute hydrochloric acid , it forms alluminium chloride and gives out hydrogen
What Gas produced when metals react with dilute hydrochloric acid?
Hydrogen gas. This can be tested via the 'pop' test.
Which metal does not produce hydrogen when added to dilute hydrochloric acid?
All of those metals which are located below hydrogen on the activity series will not replace it, and therefore not create hydrogen gas. Those metals would be copper, silver, mercury, platinum, and gold.
Why hydrogen is liberated when magnesium react with dilute nitric acid unlike other metals where hydrogen is not evolved?
This may due to Magnesium metal has high reactivity and concentration of nitric acid is dilute, thus magnesium reacts with H+ in water/ in nitric acid to give hydrogen
What is the chemical behavior of zinc?
It is a fairly reactive metal that will combine with oxygen and other non-metals, and will react with dilute acids to release hydrogen.
