Question

A paper chromatography experiment is camned out to find an A value for Feaq). The result is
shown
Page 1
Solvent front
Fel
starting line
To make the spot containing Fe (aq) more visible, the paper is sprayed with aqueous sodium
hydroxide so that a precipitate of iron(IT) hydroxide forens
... and the colour of
Under the conditions of the experiment, the R of Fe (aq) is given by
the precipitate is 2
Which row correctly completes gaps 1 and 2?
gap 1
gap 2
A
red-brown
B
X
y
green
C
red-brown
D
green
X​

Answer 1

Answer:

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