p-Block elementsHard
Question
Which of the following statement(s) is/are false for soluble bicarbonates?
Options
A.They give pink colour with phenolphthalein.
B.They do not liberate carbondioxide with phenol.
C.They give white precipitate with magnesium nitrate in cold.
D.They liberate carbondioxide on reaction with dil. H2SO4.
Solution
(A) HCO3- does not give pink colour with phenolphthalein.
(B) Because phenol is weakly acidic.
(C) 2HCO3- + Mg2+ → Mg(HCO3)2
Mg(HCO3)2 is water soluble.
(B) Because phenol is weakly acidic.
(C) 2HCO3- + Mg2+ → Mg(HCO3)2
Mg(HCO3)2 is water soluble.
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