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Degree of ionisation of 1 M HCOOH is decreased to a maximum extent in the presence of
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a
1 M HCHO
b
I M NaOH
c
1 M HCOONa
d
All of these
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Correct option is C
As HCOONa is a salt of weak acid which on dissolving in water will produce counter anion. i.e HCOO− which suppress the dissociation of HCOOH due to common ion effect, hence, the degree of ionisation will be decreased to maximum extent.Talk to our academic expert!
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