Question

disuse the formula of a compound by cross multiplication C Valency4 and hydrogen Valency4, de Valency2 and sulphur Valency2
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Answer 1

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CHEMISTRY

Deduce the molecular formulae of the compound obtained from the following pairs of elements by the cross multiplication method.

C (Valency 4) & Cl (Valency 1)

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ANSWER

C (Valency 4) & Cl (Valency 1):

Step 1 : Write the symbols of the radicals.

           C                Cl

Step 2 : Write the valency below the respective radical.

          C                 Cl

         4                  1

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

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

CCl4