For the complete redox reactions given here i) Break down each reaction into its half reactions, ii)Identify the oxidizing agent, iii) identify the reducing agent.
A) 2Sr+O2---2SrO
B) 2Li+H2--- 2LiH
C)2Cs+Br2---.2CsBr
D)3Mg+N2---Mg3N2

Question

For the complete redox reactions given here i) Break down each reaction into its half reactions, ii)Identify the oxidizing agent, iii) identify the reducing agent.
A) 2Sr+O2--->2SrO
B) 2Li+H2---> 2LiH
C)2Cs+Br2---.2CsBr
D)3Mg+N2--->Mg3N2

aaronq · Answer

Assign oxidation states to all the atoms.

Identify which gained electrons (oxidation state became more negative; got reduced) and which atoms lost electrons (oxidation state became more positive; got oxidized).