Question

If the solution of ( K2 Cr2 O7 ) is mixed with barium sulphate solution Baso4

a) What is the colour of the precipitate formed ?

b) Name the precipitate?

c) What is the type of chemical reaction? Definen it?.

d) Write the balanced chemical equation?


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Answer 1

Explanation:

• (i) The colour of the precipitate is yellow. The name of compound formed as a precipitate is Pbl2 (lead iodide).

• A precipitate is an insoluble solid product formed from the mixing of two solutions. Consider the reaction shown on the right. A white insoluble solid (precipitate) is formed when lead nitrate is mixed with sodium carbonate. ... Step 4 The remaining name is usually the precipitate.

• The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. Analyzing the reactants and products of a given reaction will allow you to place it into one of these categories.

• Products - Materials present at the end of a reaction. Balanced chemical equation - A chemical equation in which the number of each type of atom is equal on the two sides of the equation. Subscripts - Part of the chemical formulas of the reactants and products that indicate the number of atoms of the preceding element.

Answer 2

Answer:

(i) The colour of the precipitate is yellow. The name of compound formed as a precipitate is Pbl2 (lead iodide).

A precipitate is an insoluble solid product formed from the mixing of two solutions. Consider the reaction shown on the right. A white insoluble solid (precipitate) is formed when lead nitrate is mixed with sodium carbonate. ... Step 4 The remaining name is usually the precipitate.

The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. Analyzing the reactants and products of a given reaction will allow you to place it into one of these categories.

Products - Materials present at the end of a reaction. Balanced chemical equation - A chemical equation in which the number of each type of atom is equal on the two sides of the equation. Subscripts - Part of the chemical formulas of the reactants and products that indicate the number of atoms of the preceding element.