Question

what is the basic radical and acidic radicals of magnesium chloride and chemical formula of compound by cress cross method
1 magnesium chloride
2 aluminium hydroxide

Answer 1

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Compounds Acid radical Basic radical Chemical formulae

Sodium Zincate ZnO −2

Na +¹

Na²ZnO²

Answer 2

Answer:

2) ALUMINUM HYDROXIDE

Explanation:

Aluminium hydroxide :

Step 1 : Write the symbols of the radicals

                         Al                             OH

Step 2 : Write the valency below the respective radical.

                         Al                             OH

                          3                               1

Step 3 : Cross-multiply symbols of radicals with their respective valency.

                        

Step 4 : Write down the chemical formula of the compound. 

            

              Al(OH)3