During an experiment, Rohan took the samples of four metals A, B, C and D and added following solution one by one. The results obtained have been tabulated as below:

On the basis of sequence of reactions, identify the most and least reactive elements.
`A +BX rarrAX + B`
`C + AY rarr CY + A `

Options

A. Most reactive: C, Least reactive: B
B. Most reactive: B, Least reactive: C
C. Most reactive: A, Least reactive: B
D. Most reactive: B, Least reactive: A

Answer

A