એલ્યુમિનિયમ ક્લોરાઈડ એ એસીટીફાઇડ માં જલીય દ્રાવણ $\mathrm{A}$ બનાવે છે જેમાં $Al$ નો વર્ણસંકર $B$ છે તો '$A$' અને '$B$' અનુક્રમે શું હશે ?

Question

A$\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}, \mathrm{sp}^{3} \mathrm{d}^{2}$
B$\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4}\right]^{3+}, \mathrm{sp}^{3}$
C$\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4}\right]^{3+}, \mathrm{dsp}^{2}$
D$\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3++}, \mathrm{d}^{2} \mathrm{sp}^{3}$

NEET 2019, Advanced

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Solution

a
$AlCl_{3}$ in acidified aqueous solution form a $\left[\mathrm{Al}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$

$\mathrm{Al}^{+3}=[\mathrm{Ne}]$

$\mathrm{sp}^{3} \mathrm{d}^{2}$

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