Question
Sample of 4 metals A, B, C and D were added to the following solutions separately. The results observed are shown below. What is the order of reactivities of these metals ?Metal FeSO4 CuSO4 ZnSO4 A No change a green deposit - B a grey deposit a brown deposit No change C - No change - D a brown deposit - A white coating on metal
| Metal | FeSO4 | CuSO4 | ZnSO4 |
| A | No change | a green deposit | - |
| B | a grey deposit | a brown deposit | No change |
| C | - | No change | - |
| D | a brown deposit | - | A white coating on metal |
Asked in CTET (Maths & Science) · 2026
Reactivity Series · Chemistry
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