AI Mentor

Check Your IQ

Free Expert Demo

Try Test

Courses

Dropper NEET Course Dropper JEE Course Class - 12 NEET Course Class - 12 JEE Course Class - 11 NEET Course Class - 11 JEE Course Class - 10 Foundation NEET Course Class - 10 Foundation JEE Course Class - 10 CBSE Course Class - 9 Foundation NEET Course Class - 9 Foundation JEE Course Class -9 CBSE Course Class - 8 CBSE Course Class - 7 CBSE Course Class - 6 CBSE Course

Offline Centres

Given below are two statements: One is labelled as Assertion A and other is labelled as Reason R :
Assertion (A): Helium has the highest value of ionization energy among all the elements known.
Reason(B) : Helium has the highest value of electron affinity among all the elements known.
In the light of the above statements, choose the correct answer from the options given below :

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

if both A and R are false

if A is true but R is false.

if both A and R are true but R is NOT correct explanation of A

if both A and R is true and R is correct explanation of A

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

He contains fully filled $1 s^{2}$ orbital which has more penetrating effect and is very close to the nucleus and hence has highest value of ionization energy. Chlorine has highest electron affinity amongst all the elements known, not helium.

Watch 3-min video & get full concept clarity

courses

No courses found

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!