Which is the most reactive metal ?...

Which is the most reactive metal ?

Lithium

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The correct Answer is:

Z is the most reactive metal.

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Samples of four metals A, B, C and D were taken and were added to the following solutions one by one. The results obtained have been tabulated as follows : {:("Metal",,"Solution to which metal is added",,),(,"Iron(II) sulphate","Copper(II) sulphate","Zince sulphate","Silver nitrate"),("A","No reaction","Displacement"," __"," __"),("B","Displacement"," __","No reaction"," __"),("C","No reaction","No reaction","No reaction","Displacement"),("D","No reaction","No reaction","No reaction","No reaction"):} Use the table given above to answer the following questions : (a) Which is the most reactive metal ? (b) What would you observe when B is added to solution of copper(II) sulphate ? (c ) Arrange the metals A, B, C and D in order of increasing reactivity.

Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows. Use the Table above to answer the following questions about metals A, B, C and D. (i) Which is the most reactive metal? (ii) What would you observe if B is added to a solution of Copper (II) sulphate? (iii) Arrange the metals A, B, C and D in the order of decreasing reactivity.

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