Some Basic Concepts Of Chemistry Question 79

Question: 10 moles SO2 and 15 moles O2 were allowed to react over a suitable catalyst. 8 moles of SO3 were formed. The remaining moles of SO2 and O2 respectively are-

Options:

A) 2 moles, 11 moles

B) 2 moles, 8 moles

C) 4 moles, 5 moles

D) 8 moles, 2 moles

Show Answer

Answer:

Correct Answer: A

Solution:

[a] 2SO210,+O215,2SO30,

102x       15x     2x

2x=8,c=4 Hence, remaining, SO2=108=2 moles, O2=154=11 moles



NCERT Chapter Video Solution

Dual Pane