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Chemical formula of : 1.add dilute sulphuric acid to zinc. 2.add potassium iodide solution to lead nitrate solution.
Asked by ABHILASHA | 28 Mar, 2018, 07:17: PM
answered-by-expert Expert Answer

1.add dilute sulphuric acid to zinc.

When zinc granules are added to dilute sulphuric acid it evolves hydrogen gas leaving behind a zinc sulphate salt.

Z n space plus space H subscript 2 S O subscript 4 space rightwards arrow with blank on top Z n S O subscript 4 space plus space H subscript 2 upwards arrow

2.add potassium iodide solution to lead nitrate solution.

When lead nitrate added to potassium iodide solution, they react producing potassium nitrate and a yellow coloured precipitate of lead iodide.

2 K I space plus space P b left parenthesis N O subscript 3 right parenthesis subscript 2 space rightwards arrow with blank on top P b I subscript 2 downwards arrow space plus space 2 K N O subscript 3

Answered by Ramandeep | 29 Mar, 2018, 10:32: AM

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