Question

a solution of a is made to react with chlorine water is the presence of carbon tetrachloride on shaking the carbon tetrachloride layer is found to be orange in colour identify the compound A write to the chemical equation and name the type of chemical equation​

Answer 1

Answer:

Explanation:

The nature of the reaction (which is a free radical substitution initiated by the cleaving of the Cl-Cl bond by U//V radiation) is such that you will get a mixture of all four - chloromethane, dichloromethane, chloroform and carbon tetrachloride. The volume of the two reactants will affect the proportion - limited chlorine will see mostly the mono-substituted alkyl halide )same holds true for other alkanes), whereas excess chlorine will result in much more carbon tetrachloride.When methane is mixed with chlorine in the presence of sunlight, a free radical substitution reaction occurs.

Upon the completion of the first substitution, chloromethane (CH3Cl) is formed.

However due to the presence of Cl radicals and 3 H atoms still available for substitution on the chloromethane, it can undergo further substitution to form dichloromethane (CH2Cl2).

Following these steps, dichloromethane can then undergo a further substitution to give trichloromethane (CHCl3) or chloroform.

Lastly, trichloromethane can undergo yet another substitution to give tetrachloromethane.

As such, in the reaction vessel, we will find a mixture of mono, di, tri and tetrachloromethane.

We can adjust the amount of Cl2 to methane ratio in the reaction vessel to favour a larger proportion of the mono or tetra substituted methane.

To favour the formation of the mono substituted, use limited chlorine. To favour the formation of the tetra substituted, use excess chlorine.

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