MCQ
The correct $IUPAC$ name for


- A$5-$ methyl $-4-$ ( $1'-2'-$ demethylpropyl) heptane
- B$3-$ methyl $-4-$ ( $1',2'-$ dimethylpropyl) heptane
- ✓$2,3,5-$ trimethyl $-4-$ propylheptane
- D$4-$ propyl $-2,3,5-$ trimethylpeptane


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$(I)$ Acetic acid $(II)\, o-$ nitrophenol $(III)\, m-$ nitrophenol $(IV)\, o-$ boric acid
Select correct alternate
Total no. of elimination products are (includes stereoisomers)


$F{e_2}{O_3}\left( s \right) + 3CO\left( g \right) \rightleftharpoons 2Fe\left( l \right) + 3C{O_2}\left( g \right)$
Using the Le Chatelier 's principle, predict which one of the following will not disturb the equilibrium ?