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Course: Class 10 Chemistry (India) > Unit 2
Lesson 2: Reaction of acids and bases- Reaction of acids and bases with metals
- Reaction of acids with metal carbonates and bicarbonates
- Identifying the gas released
- Detection of gases
- Acid base neutralisation reaction
- Identify the salt formed
- Overview: Reactions of acids and bases
- Metal and non-metal oxides, reacting with acids and bases
- Identify the nature of metal oxide and non metal oxide
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Reaction of acids with metal carbonates and bicarbonates
We see how metal carbonates and bicarbonates react with acid to form salt, water, and release carbon dioxide. We also learn, how to experimentally test for carbon dioxide gas. Created by Ram Prakash.
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How do we know that an element is acidic or basic in nature?(1 vote)
Litmus indicators are used to determine if the element or the compound is acidic or basic(if litmus turns:red to blue-BASE if:blue to red-ACID)
Other than litmus there are several other indicators like phenolphthalein and methyl orange
Also if it is a compound you can count the number of H+ ions for acids and OH-ions for base(4 votes)
when you say that something is a salt of something else, what do you mean?(2 votes)- A salt consists of the positive ion (cation) of an acid and the negative ion (anion) of a base. The reaction between an acid and a base is called a neutralization reaction. The term salt is also used to refer specifically to common table salt, or sodium chloride. When in solution or the molten state, most salts are completely dissociated into negatively and positively charged ions and are good electrolytes (conductors of electricity).So you can also comprise from this that suppose any element non metals to be precise can form salts with some hard metal.
For example Copper sulphate is a salt of Copper(metal)and Sulphur(non metal).(3 votes)
As you told After whitewashing the walls when rain occurs with Carbon dioxide the wall may or may not lose colour?(3 votes)- If an acid and a carbonate react, is that a redox reaction? Does it produce heat? Are there precipitates? Also are all acid-carbonate reactions displacement reactions?(2 votes)
it is a redox reaction where acid is usually oxidized and the carbonate is reduced to carbon dioxide. no there are no precipitates since metal salts are ionic compounds . No it is double displacement reactions. Where exchange of ions takes place between the acids and the metal carbonates.(2 votes)
What would be the products if Bases reacted with Metal Carbonates and Metal Bicarbonates?(2 votes)
Bases do not react with Metal Carbonates and Metal Bicarbonates.(2 votes)
So can I write the products of the reaction Na2CO3 + HCl as '2NaCl + H20 + CO2' instead of '2NaCl + H2CO3'?(2 votes)
So to summarise:
[please correct if there are any mistakes here]
METAL
- carbonates
- bicarbonates
+
ACID
--> CO2 + H2O + SALT
and to test for co2 we pass it in limewater (calcium hydroxide) for it to react and turn milky/cloudy(2 votes)- We see how metal carbonates and bicarbonates react with acid to form salt, water, and release carbon dioxide. We also learn how to test for carbon dioxide gas(limewater test). We see why the likewater solution turns milky on passing CO2
(due to insoble compounds), and why it turns back to a colourless solution(due to soluble compounds).(1 vote)
- what is a carbonate in general?(1 vote)
it is negative charged ions of valency 2(2 votes)
- what will the products be if nitric acid reacted with metal carbonates / bicarbonates?(1 vote)
Nitric acid will react with a metal carbonate or bicarbonate to form a salt, CO2 and water. Now the formation of salt depends on which metal carbonate or bicarbonate we are using. For ex if nitric acid reacts with sodium carbonate, sodium nitrate, Co2 and water are the products formed(2 votes)