Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5

Q.

Poor shielding of nuclear charge by d or f – orbital electrons is responsible for which of the following facts?

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

The value of electron gain enthalpy is more negative for sulphur than for oxygen

b

The 1st ionization enthalpy of copper is less than that of zinc

c

Atomic radius of Nb (4d – series) is comparable to that of Ta (5d – series)

d

The 1st ionization energy for gold is greater than that of silver 

answer is A, D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Due to poor shielding of nuclear charge by d of f-orbital electrons, 5d-series elements have greater elective nuclear charge.

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
Poor shielding of nuclear charge by d or f – orbital electrons is responsible for which of the following facts?