MCQ
Two electrons occupying the same orbital are distinguished by
- Aazimuthal quantum number
- ✓spin quantum number
- Cprincipal quantum number
- Dmagnetic quantum number
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$(A)$ Ice floats in water.
$(B)$ Higher Lewis basicity of primary amines than tertiary amines in aqueous solutions.
$(C)$ Formic acid is more acidic than acetic acid.
$(D)$ Dimerisation of acetic acid in benzene.
$\begin{array}{*{20}{c}}
{HO - C = O\,\,\,\,\,\,\,C{H_3}} \\
{\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{C{H_3} - C = C-C - H} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,N{H_2}\,\,\,\,\,Cl}
\end{array}$
is :
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