Question

For the reaction,
$A+2B\to 2C$
If 3 moles of A react with 6 moles of B, then:

• A. 8 moles of C are formed
• B. 10 moles of C are formed
• C. 6 moles of C are formed
• D. 5 moles of C are formed

Answer 1

The correct option is C 6 moles of C are formed

$\begin{array}{cccccc}\text{In this reaction:}& A& +& 2B& \to & 2C\\ \text{Given}& 3\text{mol}& & 6\text{mol}& & x\text{mol}\end{array}$

In the balanced reaction: 1 mol of A produces 2 mol of C.
So, 3 mol of A will produce $=2\times 3=6\text{mol}$ of C.
Similarly, 2 mol of B produce 2 mol of C.
So, 6 mol of B will produce $=\frac{2}{2}\times 6=6\text{mol}$ of C.