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Samples of four metals A, B, C and D wer...

Samples of four metals A, B, C and D were taken and added to the following solutions one by one. The results obtained have been tabulated as follows :

Use the table given above to answer the following questions about metals A, B, C and D.
(i) Which is the most reactive metal ?
(ii) Arrange the metals A, B, C and D in the order of decreasing reactivity.

Text Solution

Verified by Experts

(i) B
(ii) The blue colour fades as B displaces Cu from `CuSO_(4)` solution
(iii) `B gt A gt C gt D`
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