Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
77 views
in Chemistry by (91.2k points)
closed by
Statement-1 : The ground state configuration of `Cr` is `[Ar] 3d^(5) 4s^(1)`
Statement-2 : The energy of atom is lessen in `3d^(5)4s^(1)` configuration compared to `3d^(1)4s(2)` configuration.
A. Statement-1 is true, statement-2 is true and statement-2 is correct explanation of statement-1
B. Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1
C. Statement-1 is true, statement-2 is false
D. Statement-1 is false, statement-2 is true

1 Answer

0 votes
by (91.5k points)
selected by
 
Best answer
Correct Answer - A
Ground state configuration of `Cr` is `[Ar] 3d^(5) 4s^(1)` due to this extra stability It has high exchange energy.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...