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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
विकल्प
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
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उत्तर
Assertion is true and the reason is false
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संबंधित प्रश्न
The element with positive electron gain enthalpy is
Which of the following is the second most electronegative element?
What are isoelectronic ions? Give examples.
Is the definition given below for ionisation enthalpy is correct?
"Ionisation enthalpy is defined as the energy required to remove the most loosely bound electron from the valence shell of an atom"
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?
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.
Explain the Pauling method for the determination of ionic radius.
Explain the following, give an appropriate reason.
Ionisation potential of N is greater than that of O
Briefly give the basis for Pauling's scale of electronegativity.
