Some Basic Concepts Of Chemistry Question 150

Question: X and Y are two elements which form X2Y3 and X3Y4 . If 0.20 mol of X2Y2, weighs 32.0 g and 0.4 mol of X3Y4 weighs 92.8 g, the atomic weights of X and Y are respectively

Options:

A) 16.0 and 56.0

B) 8.0 and 28.0

C) 56.0 and 16.0

D) 28.0 and 8.0

Show Answer

Answer:

Correct Answer: A

Solution:

[a] 322x+3y=0.2;92.83x+4y=0.4 Hence: x=56&y=16 .



NCERT Chapter Video Solution

Dual Pane