MCQ
Compound having planar symmetry is
- A${H_2}S{O_4}$
- B${H_2}O$
- ✓$HN{O_3}$
- D$CC{l_4}$
There are two major resonance forms of nitric acid.
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$(A)$ $H _2 S _2 O _7$ $(B)$ $H _2 S _2 O _8$ $(C)$ $H _2 S _2 O _5$ $(D)$ $H _2 SO _5$
(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 $2.$
