p-Block elementsHard
Question
H2S gas is not evolved when SO32- ion reacts with following reagents.
Options
A.Zn + dil. H2SO4
B.Al + Conc.NaOH
C.Al + dil.HCl
D.None of these
Solution
SO32- + 2Al + 2OH- + 3H2O → S2 + [Al(OH)4]-
H2S does not evolve as librated H2S is neutralized by NaOH and Na 2S is formed.
H2S does not evolve as librated H2S is neutralized by NaOH and Na 2S is formed.
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