Question

In presence of $HCl,$ sucrose gets hydrolysed into glucose and fructose. The concentration of sucrose was found to reduce form $0.4\, M$ to $0.2 M$ in $1$ hour and $0.1 \,M$ in $2$ hours. The order of the reaction is

• A. Zero
• B. One
• C. Two
• D. None of these

Answer 1

Answer: (B)

$t_{1/2}\propto\frac{1}{\left(C_{0}\right)^{n-1}}\therefore$ reaction is of first order.