MCQ
Oxygen does not react with
- A$P$
- B$Na$
- C$S$
- ✓$Cl$
$P _4+5 O _2 \longrightarrow P _4 O _{10}$
$S + O _2 \longrightarrow SO _2$
$4 Na + O _2 \longrightarrow 2 Na _2 O$
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Statement $I :$ The $E ^{\circ}$ value of $Ce ^{4+} / Ce ^{3+}$ is $+1.74 \,V$
Statement $II :$ $Ce$ is more stable in $Ce ^{4+}$ state than $Ce ^{3+}$ state.
In the light of the above statements, choose the most appropriate answer from the options given below
$(I)\, Pt(SCN)_2 - 3PEt_3,$ $(II)\,CoBr ·SO_4 · 5NH_3$ $(III)\, FeCl_2 · 6H_2O$