AP EAMCET · Chemistry · Classification of Elements and Periodicity in Properties
The successive ionisation enthalpies of an element \(X\) in \(\left(\mathrm{kJ} \mathrm{mol}^{-1}\right)\) are 1012, 1907, \(2955,4955,6275\) and 21,260 respectively, the element \(X\) is
- A C
- B \(\mathrm{P}\)
- C \(\mathrm{S}\)
- D \(\mathrm{Cl}\)
Answer & Solution
Correct Answer
(B) \(\mathrm{P}\)
Step-by-step Solution
Detailed explanation
\begin{array}{ll} \hline First ionisation enthalpy & 1012 \mathrm{~kJ} \mathrm{~mol}^{-1} \\ \hline Second ionisation enthalpy & 1907 \mathrm{~kJ} \mathrm{~mol}^{-1} \\ \hline Third ionisation enthalpy & 2955 \mathrm{~kJ} \mathrm{~mol}^{-1} \\ \hline Fourth ionisation enthalpy &…
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