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Neutralisation Reaction

Arrange the m...

Question

Arrange the metals in the decreasing order of their reactivity with acids.
Mg, Al, Fe, Cu, Au.

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Solution

The decreasing order of reactivity of the above elements are as follows.

Mg > Al > Fe > Cu > Au

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Q. (i) Arrange the following metals in an increasing order of their reactivity towards water: Zn, Fe, Mg, Na.
(ii) Arrange the following in increasing order of their oxides to get reduced with carbon: Al, Na, Fe, Cu.
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Q. Arrange the following metals in the order of their decreasing reactivity?

F e, C u, M g, C a, Z n, A g

Q. The order of reactivity of metals is
(a) K > Na > Ca > Au
(b) K > Ca > Na > Mg
(c) Fe > Na > Mg > Au
(d) Cu > Fe > K > Na

Q. Arrange the following metals in which they displace each other from the solutions of their salts in decreasing order:

A l, C u, F e, M g

Z n

E_{A l^{3} + / A l}^{0} + - 1.66 V, E_{C u^{2} + / C u}^{0} = + 0.34 V

,

E_{F e^{2} + / F e}^{0} = - 0.44 V, E_{M g^{2} + / M g}^{0} = - 1.40 V

E_{Z n^{2} + / Z n}^{0} = - 0.76 V

Q. Arrange the following metals in the order in which they displace each other from the solution of their salts.

A l, C u, F e, M g

Z n

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