Chemistry - Complete d-block Question with Solution | TestHub

ChemistryComplete d-blockd-blockEasy2 minPYQ_2020
ChemistryEasysingle choice

HCN+H2OX+NH3,

XY+H2O Unbalanced equations

[Y] May be prepared by which one of the following methods?

Options:

Answer:
C
Solution:

HCN + 2H2OHCOOHX + 2NH3;
HCOOHΔCOY+H2O
(iii) OnlyK4FeCN6givesCOwith conc.H2SO4according to the following reaction.
K4FeCN6+6H2SO4conc. + 6H2O2K2SO4+FeSO4+3NH42SO4+6CO
(i) Malonic acid givesC3O2;
(ii)C3O2givesCO2.
(iv) Action of conc.HNO3on charcoal givesCO2.

Stream:NTA_ABHYASSubject:ChemistryTopic:Complete d-blockSubtopic:d-block
2mℹ️ Source: PYQ_2020

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