Advertisements
Advertisements
प्रश्न
Assertion: Helium has the highest value of ionisation energy among all the elements known
Reason: Helium has the highest value of electron affinity among all the elements known
पर्याय
Both assertion and reason are true and reason is correct explanation for the assertion
Both assertion and reason are true but the reason is not the correct explanation for the assertion
Assertion is true and the reason is false
Both assertion and the reason are false
Advertisements
उत्तर
Assertion is true and the reason is false
APPEARS IN
संबंधित प्रश्न
Identify the wrong statement.
Which of the following is the second most electronegative element?
In a given shell the order of screening effect is
Magnesium loses electrons successively to form Mg+, Mg2+ and Mg3+ ions. Which step will have the highest ionisation energy and why?
How would you explain the fact that the second ionisation potential is always higher than the first ionisation potential?
Explain the Pauling method for the determination of ionic radius.
Explain the periodic trend of ionisation potential.
By using Pauling's method calculate the ionic radii of K+ and Cl− ions in the potassium chloride crystal. Given that `"d"_("K"^+) - "Cl"^-` = 3.14 Å
Explain the following, give an appropriate reason.
First ionisation potential of the C-atom is greater than that of the B atom, whereas the reverse is true is for the second ionisation potential.
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.
