Question

In a reaction $2A + B \rightarrow A_{2}B$, the reactant A will disappear at.

• A. Half the rate that B will decrease
• B. The same rate that B will decrease
• C. Twice the rate that B will decrease
• D. The same rate that $A_{2}B$ will form

Answer 1

Answer: (C)

Twice the rate that B will decrease

Answer 2

‘A’ will disappear at twice the rate at which ‘B’ will decrease.