MCQ
Oxygen molecule exhibits
- ✓Paramagnetism
- BDiamagnetism
- CFerromagnetism
- DFerrimagnetism
✓
Answer
Correct option: A.
Paramagnetism
a
(a) Paramagnetism because of two unpaired electrons in the antibonding molecular orbitals.
(a) Paramagnetism because of two unpaired electrons in the antibonding molecular orbitals.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The colour of the colloidal solution formed by combination of ferric chloride and freshly prepared ferric hydroxide is:
(image) Product $A$ is
→From each of the following pairs select the compound that will react faster with sodium iodide in acetone :
→Pair $-\,A:$ $(1) \,2 - $ Chloropropane $(2) \,2-$ Bromopropane
Pair $-\,B:$ $(3) \,1 -$ Bromobutane $(4)\, 2-$ Bromobutane
Propene on treatment with $ HBr $ gives
→How much amount of $\mathrm{NaCl}$ should be added to $600\; \mathrm{g}$ of water $(\rho=1.00\; \mathrm{g} / \mathrm{mL})$ to decrease the freezing point of water to $-0.2^{\circ} \mathrm{C} ?$ ............. $\mathrm{gm}$
→(The freezing point depression constant for water $=2\; \mathrm{K}\; \mathrm{kg} \;\mathrm{mol}^{-1}$ )
By studying the elevation in boiling point of aqueous solution of glucose the value of $K_b$ for water is found to be $0.51\,K\,kg\,mol^{-1}$ . The value of $K_b$ can be expected from the aqueous solution of $K_4[Fe(CN)_6]$ is
→The transition metals mostly are
Which of the following is not an essential part of an emulsion?
$\begin{array}{*{20}{c}}
{2\,COOH} \\
{|\,\,\,\,\,\,\,\,} \\
{CHO}
\end{array}$ $\xrightarrow{{NaOH}}$ $\begin{array}{*{20}{c}}
{COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,C{H_2} - OH}
\end{array}\,\,$ + $\begin{array}{*{20}{c}}
{COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,COONa\,\,\,\,\,}
\end{array}\,\,$ It is
→{2\,COOH} \\
{|\,\,\,\,\,\,\,\,} \\
{CHO}
\end{array}$ $\xrightarrow{{NaOH}}$ $\begin{array}{*{20}{c}}
{COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,C{H_2} - OH}
\end{array}\,\,$ + $\begin{array}{*{20}{c}}
{COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,COONa\,\,\,\,\,}
\end{array}\,\,$ It is
In physisorption adsorbent does not show specificity for any particular gas because $......$
→