Question

The increasing order of the first ionisation enthalpies of the elements b p s and f is

Answer 1

Answer:

Explanation:

The increasing order of the first ionisation enthalpies of the elements B, P, S and F. In general as we move from left to right in a period, the ionisation enthalpy increases with increasing atomic number.

Answer 2

Answer: S P F I.E. (eV): 8.3 10.4 11.0 17.4 In general as we move from left to right in a period, the ionisation enthalpy increases with increasing atomic number. The ionisation enthalpy decreases as we move down a group. P(1s2 2s2 2p6 3s2 3p3 ) has a stable half filled electronic configuration than S (1s2 2s2 2p6 3s2 3p4 ). For this reason, ionisation enthalpy of P is higher than S

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Explanation: