MCQ
The process requiring absorption of energy is
- ✓$N \to N^-$
- B$F \to F^-$
- C$Cl \to Cl^-$
- D$H \to H^-$
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$\begin{array}{*{20}{c}}
{C{H_2} - CH - C{H_2}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,} \\
{OH\,\,\,\,\,\,\,\,OH\,\,\,\,\,\,OH}
\end{array}$
is :
$(A)$ Non metals have higher electronegativity than metals.
$(B)$ Non metals have lower ionisation enthalpy than metals.
$(C)$ Compounds formed between highly reactive nonmetals and highly reactive metals are generally ionic.
$(D)$ The non-metal oxides are generally basic in nature.
$(E)$ The metal oxides are generally acidic or neutral in nature.
| Column $I$ | Column $II$ |
| $(A)$ Orbital angular momentum of the electron in a hydrogen-like atomic orbital | $(p)$ Principal quantum number |
| $(B)$ A hydrogen-like one-electron wave function obeying Pauli principle | $(q)$ Azimuthal quantum number |
| $(C)$ Shape, size and orientation of hydrogen-like atomic orbitals | $(r)$ Magnetic quantum number |
| $(D)$ Probability density of electron at the nucleus in hydrogen-like atom | $(s)$ Electron spin quantum number |