MCQ
The conjugate acid of $\mathop N\limits^\Theta {H_2}$ is
- A$N_2H_4$
- ✓$NH_3$
- C$NH_2OH$
- D$\mathop N\limits^\Theta {H_4}$
When a proton is added to a base, we get conjugate acid.
$NH _2^{-}+ H ^{+} \rightarrow NH _3$
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(Consider heat capacity of all solutions as $4.2 J g ^{-1} K ^{-1}$ and density of all solutions as $1.0 \ g mL ^{-1}$ )
$1.$ Enthalpy of dissociation (in $kJ mol ^{-1}$ ) of acetic acid obtained from the Expt. $2$ is
$(A)$ $1.0$ $(B)$ $10.0$ $(C)$ $24.5$ $(D)$ $51.4$
$2.$ The $pH$ of the solution after Expt. $2$ is
$(A)$ $2.8$ $(B)$ $4.7$ $(C)$ $5.0$ $(D)$ $7.0$
Give the answer question $1$ and $2.$