Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which series of reactions correctly represents chemical relations related to iron and its compound ?
A
Fe 
FeSO 4 
Fe 2 (SO 4 ) 3 
Fe
FeSO 4 Fe 2 (SO 4 ) 3 Fe
B
Fe 
FeO 
FeSO 4 
Fe
FeO FeSO 4 Fe
C
Fe 
FeCl 3 
FeCl 2 
Fe
FeCl 3 FeCl 2 Fe
D
Fe 
Fe 3 O 4 
FeO 
Fe
Fe 3 O 4 FeO Fe
Text Solution
Verified by ExpertsThe correct answer is:
D
The correct reaction are as follows :
Fe + H 2 SO 4 
FeSO 4 + H 2 , H 2 SO 4 + 2FeSO 4 + 
O 2 
Fe 2 (SO 4 ) 3 + H 2 O
Fe 2 (SO 4 ) 3 
Fe 2 O 3 (s) + 3SO 3 (This is given Wrongly)
Fe 
FeO (it could also be Fe 2 O 3 or Fe 3 O 4 )
FeO + H 2 SO 4 
FeSO 4 + H 2 O
2FeSO 4 
Fe 2 O 3 + SO 2 + SO 3
Fe 
FeCl 3 
no reaction (it cannot give FeCl 2 )
Fe 
Fe 3 O 4 
FeO 
Fe
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