MCQ
What happen when methane react with conc.$HNO_3$ at high temperature ?
- ✓Nitromethane is formed
- BNitromethane is formed
- C$CO_2$ and $H_2O$ are formed
- D$CO$ and $H_2O$ are formed
$CH _4+ HNO _3 \underset{400^{\circ} C }{\stackrel{\Delta}{\longrightarrow}} \underset{\text { (Nitromethane) }}{ CH _3 NO _2}+ H _2 O$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$P = [Ne]\, 3s^23p^3$
$Q = [Ar]\,3d^{10}4s^24p^3$
$R = [He]\,2s^22p^5$
$S = [Ne]\,3s^1$
Incorrect statements is
$A$. A liquid evaporates to vapour.
$B$. Temperature of a crystalline solid lowered from $130 \mathrm{~K}$ to $0 \mathrm{~K}$.
$C$. $2 \mathrm{NaHCO}_{3(\mathrm{~s})} \rightarrow \mathrm{Na}_2 \mathrm{CO}_{3(\mathrm{~s})}+\mathrm{CO}_{2(\mathrm{~g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$
$D$. $\mathrm{Cl}_{2(g)} \rightarrow 2 \mathrm{Cl}_{(g)}$
Choose the correct answer from the options given below: