Prevlous Years Questions \( \mathrm{P} \) The first, second and thi...

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Prevlous Years Questions
\( \mathrm{P} \)
The first, second and third ionisation energies of \( \mathrm{Al} \) are 578, 1817 and \( 2745 \mathrm{~kJ} \mathrm{~mol}^{-1} \) respectively.
W Calculate the energy required to convert all the atoms of \( \mathrm{Al} \) to \( \mathrm{Al}^{+3} \) present in \( 270 \mathrm{mg} \) of \( \mathrm{Al} \) vapours
(1) \( 5140 \mathrm{~kJ} \)
(2) \( 51.40 \mathrm{~kJ} \)
(3) \( 2745 \mathrm{~kJ} \)
(4) \( 514.0 \mathrm{~kJ} \)
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