The rates in order of fastest to slowest for this reaction: a 5g of powdered $Mg(s)+2HCl(aq)\rightarrow MgCl_2(aq)+H_2(g)$ are:

Question

S.No	Temperature $(^oC)$	Concentration of HCl
1	60	5
2	40	5
3	60	10

 

$\begin{array}{1 1}(a)\;2,1,3&(b)\;3,1,2\\(c)\;1,2,3&(d)\;2,3,1\end{array}$