MCQ
Aldehydes are produced in atmosphere by
- AOxidation of secondary alcohols
- BReduction of alkenes
- ✓Reaction of oxygen atoms with hydrocarbons
- DReaction of oxygen atoms with ozone
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


(Atomic no. $Ti = 22, V = 23, Cr = 24, Fe = 26$)

$F{e^{ + 2 }} + 2{e^ - }\, \to \,Fe\,;\,\,\,\,{E^o} = - 0.440\,V$
$F{e^{ + 3 }} + 3{e^ - }\, \to \,Fe\,;\,\,\,\,{E^o} = - 0.036\,V$The standard electrode potential $({E^o})$ for$F{e^{ + 3 }} + {e^ - } \to \,F{e^{ + 2 }}$ is .............. $\mathrm{V}$