Questions
The lanthanide contraction is responsible for the fact that:
detailed solution
Correct option is A
Group 4 contains both and (d-block). atomic radius (160 pm) is relatively close to (159 pm).
The lanthanide contraction causes and to have comparable characteristics. With an increase in atomic number and effective nuclear charge, the size of and becomes virtually identical, and as a result, both have similar properties. This is because the electrons in the f-subshell do not have a good shielding effect.
Talk to our academic expert!
Create Your Own Test
Your Topic, Your Difficulty, Your Pace
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests