MCQ
Which behaves both as a nucleophile and electrophile
- A$C{H_3}N{H_2}$
- B$C{H_3}Cl$
- ✓$C{H_3}CN$
- D$C{H_3}OH$
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Assertion $(A):$ The ionic radii of $O ^{2-}$ and $Mg ^{2+}$ are same.
Reason $( R )$ : Both $O ^{2-}$ and $Mg ^{2+}$ are isoelectronic species.
In the light of the above statements, choose the correct answer from the options given below
| List$-I$ | List$-II$ |
| $(A)$ Spontaneous process | $(I)\,\Delta H < 0$ |
| $(B)$ Process with $\Delta P =0 \;\Delta T =0$ | $(II)\,\Delta G _{ T , P } < 0$ |
| $(C)\,\Delta H _{reaction}$ | $(III)$ Isothermal and isobaric process |
| $(D)$ Exothermic process | $(IV)$ [Bond energies of molecules in reactants] - [Bond energies of product molecules] |
Choose the correct answer from the options given below: