18. Define
i) salt
ii] normal salt
iii] acid salt- with relevant examples and equations.
Answers
Answer:
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Explanation:
acidic salt is made up of strong acid and weak base whereas normal salt is made up of strong acid and strong base or weak acid and weak base.
acidic salt ionises into form H+ions more than OH- ions in water solution but normal salt ionises to form equal number if H+ ions and OH- ions in water solutions
a salt formed between the strong acid and weak base is known as acidic salt.
for eg:-NH4cl
a normal salt is formed by when all the hydrogen ions of an acid have been replaced by metal ions by the ammonium ions normal salts may be soluble or insoluble in the cold water.
for eg:-KCL , Na2Co3
What Do Chemists Mean by 'Salt'?
We've all heard of salt, right? Those white crystals we put on our fries are the kind of salt we are most familiar with, but what do we really mean in chemistry when we refer to something as a salt?
In chemistry, a salt is an ionic compound which is made up of two groups of oppositely charged ions. The ion with a positive charge is called a cation, and the one with a negative charge is called an anion. How many of each type of ion the salt has is important because the compound must have an overall electrical charge of zero - that is, an equal balance between positive charge and negative charge.
We'll cover more of this later.
Salts can be easily identified since they usually consist of positive ions from a metal with negative ions from a non metal.
The salt we put on our fries is actually sodium chloride and is made up of a Na1+ (that's our metal) and a Cl1- (our non-metal). Often you will see this written as Na+ and Cl- (the 1 is dropped), or simply NaCl.