Some Basic Concepts of Chemistry

Section: Chemistry

Question : 3 of 17

Marks: +1, -0

To check the principle of multiple proportions, a series of pure binary compounds (PmQn) were analyzed and their composition is tabulated below. The correct option(s) is(are)

Compound	Weight % of P	Weight % of Q
1	50	50
2	44.4	55.6
3	40	60

[JEE Adv 2022 P2]

If empirical formula of compound 3 is P3Q4, then the empirical formula of compound 2 is P3Q5
If empirical formula of compound 3 is P3Q2 and atomic weight of element P is 20 , then the atomic weight of Q is 45 .
If empirical formula of compound 2 is PQ, then the empirical formula of the compound 1 is P5Q4
If atomic weight of P and Q are 70 and 35 , respectively, then the empirical formula of compound 1 is P2Q.

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