Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-diagram based-Easy-Class 12
A diagram shows the structure of the dichromate ion, Cr2O7 2–. Which feature is correctly labeled?
A
The Cr–O–Cr bond angle is 126°.
B
The dichromate ion has two tetrahedra sharing two corners.
C
The oxidation state of chromium is +5 in dichromate.
D
The dichromate ion is a linear molecule.
Correct Answer
Option A
Detailed Explanation
The NCERT context states that the dichromate ion consists of two tetrahedra sharing one corner with a Cr–O–Cr bond angle of 126°. This makes option A correct.
Found an issue with this question?