Advertisements
Advertisements
Question
Which one of the following arrangements represent the correct order of least negative to most negative electron gain enthalpy
Options
Al < O < C < Ca < F
Al < Ca < O < C < F
C < F < O < Al < Ca
Ca < Al < C < O < F
Solution
Ca < Al < C < O < F
APPEARS IN
RELATED QUESTIONS
Which of the following elements will have the highest electronegativity?
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
Which of the following is the second most electronegative element?
Which of the following orders of ionic radii is correct?
What are isoelectronic ions? Give examples.
Define electronegativity.
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.
The electron affinity values of Be and Mg are almost zero and those of N (0.02 eV) and P (0.80 eV) are very low.
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.
Briefly give the basis for Pauling's scale of electronegativity.