2
Question
KCl contains 52% of potassium, KI contains 23.6% of potassium and ICl contains 77.8% of iodine. State the law illustrated by these chemical combinations.
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Solution
The correct option is B Law of reciprocal proportion
The given chemical combinations illustrate the law of reciprocal proportion.
In KCl, the percentages of K and Cl are 52% and 48% respectively.
In KI, the percentages of K and I are 23.6 % and 76.7 % respectively.
In ICl, the percentages of I and Cl are 77.8 and 22.2 % respectively.
Thus, the masses of I and Cl, which are combining with a fixed mass of K, are also the masses with which I and Cl combine.
The given chemical combinations illustrate the law of reciprocal proportion.
In KCl, the percentages of K and Cl are 52% and 48% respectively.
In KI, the percentages of K and I are 23.6 % and 76.7 % respectively.
In ICl, the percentages of I and Cl are 77.8 and 22.2 % respectively.
Thus, the masses of I and Cl, which are combining with a fixed mass of K, are also the masses with which I and Cl combine.
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