Chemistry, asked by Ishwarbb23, 1 year ago

Why most of salts are white in colour

Answers

Answered by mdejazuddin
2
Majority of all the colored
compounds have transition
element(s) ions in them like the
examples you've mentioned
"Copper Sulphate is sky blue.
Copper nitrate is dark blue",
Copper is a well known
transition element due to its
anomalous electronic
configuration which defies the
general trend as one moves from
left to right across a periodic
table.
Reason for color- The color of
transition metal ions is due to
the presence of unpaired
electron in it. These electrons
absorb radiations of one color
(from visible or UV spectrum)
and undergo transition from one
level(lower energy-ground state)
to another(higher energy-excited
state) within the d-subshell. Due
to this electronic transition,
colored light is emitted which is
complementary color of the light
absorbed. Down you'll find the
list of absorbed color & the
complementary color which is
given out

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