MCQ
The order of density in nucleus is
- A${10^8}\,kg/cc$
- B${10^{ - 8}}\,kg/cc$
- C${10^{ - 9}}\,kg/cc$
- ✓${10^{12}}\,kg/cc$
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$(A)$ $\Delta G$ is positive $(B)$ $\Delta S _{\text {system }}$ is positive
$(C)$ $\Delta S _{\text {surroundings }}=0$ $(D)$ $\Delta H =0$
Reason : $NF_3$ ionizes to give $F^-$ ions in aqueous solution.
