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प्रश्न
Define an acid salt and a normal salt.
उत्तर
Acid Salt : The salt formed by the partial replacement of the replacable hydrogen atoms of an acid molecule by a metallic or ammonium ion is called acid salts.
For example : NaHSO4 , Na2HPO4.
Normal Salt : The salt formed by replacement of all the replacebale hydrogen atoms of an acid by metallic or ammonium ions is called a normal salt.
For example : NaCI , Na2SO4.
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संबंधित प्रश्न
Name a chloride which is insoluble.
Name an acidic salt.
Explain salt hydrolysis. Name two salts which are (a) acidic (b) basic (c) neutral, when dissolved in water.
Choose the correct answer from the options given below:
Which one is the acidic salt?
From the formulae listed below, choose one in each case corresponding to the salt having the given description :
AgCI, CuCO3, CuSO4.5H2O, KNO3, NaCI, NaHSO4, Pb(NO3), ZnCO3, ZnSO4.7H2O
(a) An acid salt
(b) An insoluble chloride
(c) On treating with concentrated sulphuric acid, this salt changes from blue to white.
(d) On heating this salt changes from green to black.
(e) This salt gives nitrogen dioxide on heating
What is the term defined by the following?
A salt containing a metal ion surrounded by other ions or molecules.
Salts A, B, C, D and E undergo reactions (i) to (v) respectively. Identify the anion present in these salts on the basis of these reactions. Tabulate your answers in the format given below:
(i) When silver nitrate solution is added to asolution of A, a white precipitate, insoluble in dilute nitric acid, is formed.
(ii) Addition of dilute hydrochloric acid to B produces a gas which turns lead acetate paper black.
(iii) When a freshly prepared solution of ferrous sulphate is added to a solution of C and concentrated sulphuric acid is gently poured from the side of the test, a brown ring is formed.
(iv) When dilute sulphuric acid is added to D, a gas is produced which turns acidified potassium dichromate solution from orange to green.
(v) Addition of dilute hydrochloric acid to E produces an effervescence. The gas produced turns limewater milky but does not affect acidified potassium dichromate solution.
Salt | Anion |
A | |
B | |
C | |
D | |
E |
State the inference drawn from the following observation:
A gas Q turns moist lead acetate paper silvery black. Identify the gas Q.
Define the following and give two examples in case a normal salt .
Identify the following:
A salt formed by the complete neutralization of an acid by a base.