Question

16. Two elements C and D combine to form two compounds; CxDy and CyDx. 0.5 mole of CyDx weigh 40 g and 1 molecule of

CxDy weigh 1.66 × 10–25 kg. The atomic weight of C and D are 20 and 40 g/mol respectively. What are ‘x’ and ‘y’?

(A) 3, 2 (B) 1, 3

(C) 1, 2 (D) 2, 2​

Answer 1

Answer:

[c]

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