a The composition of compound A is 40% X and 60% Y the composition of compoundB is 25 percent
land 75% Y. According the law of multiple proportions the ratio of the weight of elem
compounds A and B is
a) 1:2
b) 2:1
c) 2:3
d) 3:4
Answers
Answer:
b
Explanation:
according to the law of multiple proportion in both compounds y composition is same and x composition more in A than B
Answer:
According the law of multiple proportions, the ratio of the weight of element Y in compounds A and B is 1 : 2.
Therefore, the option (a) is correct.
Explanation:
To form a compound two elements combine with each other. The weight of two elements are in ratio of small whole numbers. The law of multiple proportions says that the chemical elements in a compound can be expressed in small number ratios.
We have given the composition of elements X and Y in compound A as 40% and 60% respectively.
The composition of compound A will be = 40 : 60 = 2 : 3
the composition of elements X and Y in compound B as 25% and 75% respectively.
The composition of compound B will be = 25 : 75 = 1 : 3 = 2 : 6
Therefore, we can say that the 2 moles of X combine with 3 moles of Y in compound A and 2 moles of X combine with 6 moles of Y ion compound B.
Ratio of the weight of element Y will be = 3 : 6 = 1 : 2
Therefore, the ratio of the weight of element Y compounds A and B is equal to 1 : 2.