The green colour produced in the borax bead test of a chromium$(III)$ salt is due to formation of______:
The green colour produced in the borax bead test of a chromium$(III)$ salt is due to formation of______:
- [IIT 2019]
- A
$Cr \left( BO _2\right)_3$
- B
$CrB$
- C
$Cr _2\left( B _4 O _7\right)_3$
- D
$Cr _2 O _3$
Similar Questions
The species, having bond angles of $120^o $ is
The species, having bond angles of $120^o $ is
- [NEET 2017]
Explain physical characteristic of group $13$ elements.
Explain physical characteristic of group $13$ elements.
Give important trends and anomalous properties of boron.
Give important trends and anomalous properties of boron.
In the electrolytic extraction of aluminium, cryolite is used
In the electrolytic extraction of aluminium, cryolite is used
How would you explain the lower atomic radius of $Ga$ as compared to $Al$?
How would you explain the lower atomic radius of $Ga$ as compared to $Al$?