Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Lithium and beryllium unlike their other respective group members form compounds with pronounced ionic character.
Reason (R): Lithium and Magnesium have similar properties due to diagonal relationship.

In the light of the above statements, choose the correct answer from the options given below

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

(A) is true but (R) is false

Both (A) and (R) are true but (R) is not the correct explanation of (A)

(A) is not true but (R) is true

Both (A) and (R) are true and (R) is the correct explanation of (A)

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Lithium is the first element of group 1 and beryllium is the fi rst element of group 2.
They have small size and high polarizing power, due to which they are more prone to form covalent compound.
Lithum amd magnesium have diagonal relationship, due to which they share similar properties such as forming nitrides when treated with nitrogen, electronegativity value of (Li = 1.0 and for Mg = 1.2) etc.

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

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

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE