JEE Main 20209 JanuaryEvening Shift
- Exam
- JEE Main
- Year
- 2020
- Date
- 9 January
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- d and f Block Elements
JEE Main 2020 · 9 January · Evening Shift · Chemistry · d and f Block Elements
The sum of the total number of bonds between chromium and oxygen...
The sum of the total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is ______________.
Correct answer
0
Step-by-step solution
Chromate ion
Dichromate ion
The chromate ion (CrO42–) has a tetrahedral shape, whereas dichromate ion has two tetrahedral units with one common oxygen having Cr-O-Cr bond angle of 126°. Both are oxyanions of chromium in the 6+ oxidation state and are moderately strong oxidizing agents.