MCQ
The magnetic quantum number $m_l$ is fixed by the azimuthal quantum number, $l.$ If $l= 2,$ the type and number of the orbitals indicated by
- A$f, 7$
- ✓$d, 5$
- C$p, 3$
- D$s, 1$
$d-$ orbital
No. of orbital
$=2 l+1$
$=2 \times 2+1=5$
volue of $l$, type of orbital
$l=0, \quad s$
$l=1, \quad P$
$l=2, \quad d$
$l=3 \quad f$
$d, 5$
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$\frac{1}{2}\,{P_4}(s)\,\, + \,\,3C{l_2}(g)\, \to \,2PC{l_3}(\ell )\,\,\,\,\,\Delta H\, = \, - \,635\,\,kJ$
$PCl_3 (\ell )\,+\,Cl_2(g)\,\to \,PCl_5(s) \,\,\,\,\Delta H\, =\, -\,137\,kJ$.....$kJ$

$\mathop {C{H_3} - \mathop C\limits^ \oplus H - C{H_3}}\limits_I $
$\mathop {C{H_3} - \mathop C\limits^ \oplus H - OC{H_3}}\limits_{II} $
$\mathop {C{H_3} - \mathop C\limits^ \oplus H - C{H_2} - OC{H_3}}\limits_{III} $
$I.\, Al_2Cl_6\,\,\, II.\, B_2H_6\,\,\, III.\, Fe_2Cl_6\,\,\, IV.\, Si_2H_6$