Which one of the following compounds will liberate CO 2 , when treated with NaHCO 3 ?

1. ${\left({\mathrm{CH}}_3\right)}_3\stackrel{\oplus }{\mathrm{N}}\mathrm{H}\stackrel{⊝}{\mathrm{Cl}}$
2. ${\left({\mathrm{CH}}_3\right)}_4\stackrel{\oplus }{\mathrm{N}}\stackrel{⊝}{\mathrm{O}}\mathrm{H}$
3. 
4. ${\mathrm{CH}}_3{\mathrm{NH}}_2$

Asked in: JEE Main 2021 (25 Jul Shift 1)

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