Why does the reducing power of group 13 elements decrease down the group?
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The number of valence shells increase while going down a group. So the nuclear charge increases as the atomic radius becomes larger and larger and it becomes difficult for the atom to hold its outermost shell despite the increase in nuclear charge
darshinipoola:
That is exactly what confused me. So the ionisation enthalpy decreases down the group. Hence, the reducing power should increase down the group. But the given statement states the exact opposite. Please correct me if I am wrong.
The reducing power increase
The reducing power does increase down a group. But the distance between the outermost shell and nucleus increases as new shells are being added. So it becomes difficult for the energy to act upon the outermost shell
The statement is false
The reducing power INCREASES down the group 13
From top to bottom reduction potentials values become positive i.e. top to bottom in the elements of the group 13 reducing character decreases. The order of decreasing of reducing power is Al > Ga >In> Tl. The above statement is TRUE.
sorry
I misunderstood the question
no problem :)
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