Questions
Electronegativity of elements of group 13 decreases from B to Al and then increases marginally because of discrepancies in
detailed solution
Correct option is A
The size of the atom is inversely related to the electronegativity, the electronegativity is found to be decreasing as we move from B to Al and then increases further due to poor shielding effect. This is also known as discrepancies in the atomic size of the element.Similar Questions
The bond dissociation energy of BF bond in BF3 is 646 kJ mol–1 whereas that of CF in CF4 is 315 kJ mol–1. The correct reason for higher BF bond dissociation energy as compared to that of CF bond is :
Get your all doubts cleared from
Sri Chaitanya experts
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