wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : The size of the BK3+ ion is less than the Np3+ion.

Reason R : The above is a consequence of the lanthanoid contraction.

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


A

A is false but R is true

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

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

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

A is true but R is false

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D

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

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C

A is true but R is false


Answer (C)

Explanation for correct option:

Size of BK3+97ion is less than that of Np3+93 . As atomic number increase ionic size decreases. It is due to actinoid contraction.

Hence option (C) is correct option.


flag
Suggest Corrections
thumbs-up
4
similar_icon
Similar questions
View More
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Fajan's Rule
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon