Advertisements
Advertisements
प्रश्न
In the dichromate dianion, the Cr-O-Cr bond angle is ______.
पर्याय
90°
120°
126°
131°
MCQ
Advertisements
उत्तर
In the dichromate dianion, the Cr-O-Cr bond angle is 126°.
Explanation:
In the dichromate ion Cr2O72−, two CrO4 tetrahedra share one oxygen atom (a bridging oxygen). The angle formed at this bridging oxygen between the two chromium atoms is called the Cr-O-Cr bond angle. Due to tetrahedral geometry and repulsion between lone pairs and bonding pairs, this angle is approximately 126°.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
