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प्रश्न
Name a complex salt.
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उत्तर १
Sodium argentocyanide
उत्तर २
Potassium ferrocyanide K4[Fe(CN)6]
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संबंधित प्रश्न
Name two sulphates which are insoluble.
Name a basic salt.
Name an acidic salt.
Identify the odd one out and justify.
Select the correct answer from the choices a,b,c and d which are given.Write only the letter corresponding to the correct answer.
An example of a complex salt is
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 .
Why is toothpaste basic?
Identify the following:
A salt formed by the complete neutralization of an acid by a base.
