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Answer:
(a)
Difference between transition and Inner transition element:
(b) Conversions:
(i) Chromate to dichromate:
Transition element
Inner transition element
1. Transition
elements are those in which the last electron enters the d-orbital of
penultimate shell.
Inner transition
elements are those in which the last electron enters the f-orbital of
antipenultimate shell.
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2. Their
general electronic configuration is :
[Noble gas]
Their general outer
configuration is:
or
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(ii) Manganate to permanganate:
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At anode:
At cathode:
(iii) Permanganate to
:
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