Electronegativity of aluminium is 1.5. Electronegativity of thallium is

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

1.8

1.5

1.0

4.0

answer is B.

(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

Electronegativity order :B > Tl >In > Ga > Al

Tl Electronegativity is greater than that of Al, Given Al Electronegativity is 1.5, hence Tl Electronegativity should be greater than that of 1.5.

Greater than 1.5 two options are there, those are second and fourth options.

On Pauling scale highest Electronegativity element is F, its Electronegativity value is on Pauling scale is 4.0. Therefore, fourth option is wrong.

Then option 2 is correct.

Watch 3-min video & get full concept clarity

JEE

NEET

Foundation JEE

Foundation NEET

CBSE