Grade 11Physical Chemistry
How CS2,CO2,SO2 combination show law of reciprocal?
How CS2,CO2,SO2 combination show law of reciprocal?
1 Answer
Arun
According to law of reciprocal proportions, if there are three atoms A, B and C, and if A forms molecule by combining with B and separately with C also, then if B and C also combine together, the ratio of the masses in which they do so are either the same or a simple multiple of the mass ratio in which they combine.
there are three atoms in all which are C, S and O.
In CS2: Ratio of weight of C:S = 12:32
In CO2: Ratio of weight of C:O = 12:16
Thus here S:O = 32:16 = 2:1
Now in SO2 Ratio of weight of S:O = 32:32 = 1:1
The ratio between the two ratios of S and O is
21:11
which is 2:1 and it is a multiple ratio.
there are three atoms in all which are C, S and O.
In CS2: Ratio of weight of C:S = 12:32
In CO2: Ratio of weight of C:O = 12:16
Thus here S:O = 32:16 = 2:1
Now in SO2 Ratio of weight of S:O = 32:32 = 1:1
The ratio between the two ratios of S and O is
21:11
which is 2:1 and it is a multiple ratio.
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