Q.

A, B, C, D and E(Francium is not included in the list) are the elements belonging to First group of Modern periodic table. The trend of ionic size in aqueous solution  is  A+ > B+ > C+ > D+ > E+. The element ‘B’ in the sequence 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

a

K

b

Na

c

Cs

d

Rb

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

A) Atomic radius…LiNa>K>Rb>Cs;C) EN…..Li>Na>K=Rb>Cs;D) MP…Li>Na>K>Rb>Cs;E) BP…Li>Na>K>Rb>Cs;F) Hardness, Metallic bond strength….Li>Na>K>Rb>Cs;G) Metallic character….LiK>Rb>Li>Cs;J) Hydration Enthalpy….Li+>Na+>K+>Rb+>Cs+Thus ionic size in aqueous solution…..Li+>Na+>K+>Rb+>Cs+Thus ionic mobility in aqueous solution…..Li+Na+>K+>Rb+>Cs+K) EM+/M° values are negative.Most negative for Li and least negative for Na.ELi+/Li°most negative
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
whats app icon