JEE Main 2019 (Online) 9th April Morning Slot | Periodic Table & Periodicity Question 83 | Chemistry

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JEE Main 2019 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

The element having greatest difference between its first and second ionization energies, is :

JEE Main 2019 (Online) 8th April Evening Slot

MCQ (Single Correct Answer)

-1

The IUPAC symbol for the element with atomic number 119 would be :

uun

une

uue

unh

JEE Main 2019 (Online) 8th April Morning Slot

MCQ (Single Correct Answer)

-1

The correct order of hydration enthapies of alkali metal ions is :

Li⁺ > Na⁺ > Cs⁺ > Rb⁺

Na⁺ > Li⁺ > K⁺ > Cs⁺ > Rb⁺

Na⁺ > Li⁺ > K⁺ > Rb⁺ > Cs⁺

Li⁺ > Na⁺ > K⁺ > Rb⁺ > Cs⁺

JEE Main 2019 (Online) 8th April Morning Slot

MCQ (Single Correct Answer)

-1

The size of the iso-electronic species Cl^–, Ar and Ca²⁺ is affected by :

electron-electron interaction in the outer orbitals

Principal quantum number of valence shell

nuclear charge

azimuthal quantum number of valence shell

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