Advertisements
Advertisements
प्रश्न
Which one of the following arrangements represent the correct order of least negative to most negative electron gain enthalpy
विकल्प
Al < O < C < Ca < F
Al < Ca < O < C < F
C < F < O < Al < Ca
Ca < Al < C < O < F
Advertisements
उत्तर
Ca < Al < C < O < F
APPEARS IN
संबंधित प्रश्न
Various successive ionisation enthalpies (in kJ mol-1) of an element are given below.
| IE1 | IE2 | IE3 | IE4 | IE5 |
| 577.5 | 1,810 | 2,750 | 11,580 | 14,820 |
The element is
In the third period the first ionization potential is of the order.
Identify the wrong statement.
Which of the following is the second most electronegative element?
Which of the following orders of ionic radii is correct?
Energy of an electron in the ground state of the hydrogen atom is −2.18 × 10−18 J. Calculate the ionisation enthalpy of atomic hydrogen in terms of kJ mol−1.
In what period and group will an element with Z = 118 will be present?
Why the first ionisation enthalpy of sodium is lower than that of magnesium while its second ionisation enthalpy is higher than that of magnesium?
Explain the following, give an appropriate reason.
Ionisation potential of N is greater than that of O
Explain the following, give an appropriate reason.
The formation of \[\ce{F^-_{(g)}}\] from \[\ce{F_{(g)}}\] is exothermic while that of \[\ce{O^2-_{(g)}}\] from \[\ce{O_{(g)}}\] is endothermic.
