nursing UP CNET BSc Nursing 2025 Mock Test Series Chemistry d And f - Block Elements

The correct set of ions (aqueous solution) with same colour from the following is : 

1
V2+, Cr3+, Mn3+
2
Zn2+, V3+, Fe3+ 
3
Ti4+, V4+, Mn2+ 
4
Sc3+, Ti3+, Cr2+  
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