Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Main Group Elements and Their Compounds
The reaction between Pr6O11 and dilute HCl leads to the formation of
1
a coloured solution
2
only a black precipitate PrO2
3
a black precipitate of PrO2 and soluble PrCl3
4
Only soluble PrCl3
5
Question Not Attempted