Question

$3A\to B+C$ It would be a zero order reaction when

• A. the rate of reaction is proportional to square of concentration of A
• B. the rate of reaction remains same at any concentration of A
• C. the rate remains unchanged at any concentration of B and C
• D. the rate of reaction doubles if concentration of B is increased to double

Answer 1

Answer: (B)

For reaction $3A⟶B+C$
If it is zero order reaction, therefore, the rate remains same at any concentration of ' $A$ ' or $\frac{dx}{dt}=K\left[A^0\right].$
It means that rate is independent on concentration of reactants.