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Byju's Answer
Standard XII
Chemistry
Preparation of Hydrogen
How is potass...
Question
How is potassium extracted from its ore??
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Solution
Dear
user
,
By
electrolysis
.
Process
:
K
is
obtained
either
directly
by
electrolysis
of
potassium
salts
or
by
reaction
of
Na
with
K
salts
.
K
is
relatively
easy
to
distill
once
it
has
been
produced
by
either
method
,
though
"
crude
"
commercial
potassium
is
often
sold
directly
after
electrolysis
.
Typical
electrolysis
reaction
would
involve
:
2
K
2
CO
3
→
4
K
+
2
CO
2
+
O
2
whereas
Na
reduction
would
involve
K
2
CO
2
+
2
Na
→
2
K
+
Na
2
CO
3
Obviously
,
both
processes
require
inert
temperature
.
Electrolysis
requires
high
temperatures
,
as
K
salts
have
to
be
molten
to
conduct
electricity
.
Potash
is
K
2
CO
3
.
Old
method
of
potash
production
involved
burning
seaweed
in
deep
pits
,
followed
by
extraction
of
the
ashes
with
hot
water
and
crystallization
.
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