Question
What is called redox reaction (or oxidation - reduction reactions)? Explain it with suitable examples.
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The position of three elements $A, B$ and $C$ in the periodic table are shown below:
$(a)$ State whether $A$ is a metal or non- metal.
$(b)$ State whether $C$ is more reactive or less reactive than $A.$
$(c)$ Will $C$ be larger or smaller in size than $B?$
$(d)$ Which type of ion, cation or anion, will be formed by element $A?$
→| Group $16$ | Group $17$ |
| $-$ | $-$ |
| $-$ | $A$ |
| $-$ | $-$ |
| $B$ | $C$ |
$(b)$ State whether $C$ is more reactive or less reactive than $A.$
$(c)$ Will $C$ be larger or smaller in size than $B?$
$(d)$ Which type of ion, cation or anion, will be formed by element $A?$
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