Which of the following ions is colourless in solution?
- A$V^{3+}$
- B$Cr^{3+}$
- C$Co^{2+}$
- D$Sc^{3+}$
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Transition metals are often paramagnetic owing to
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Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Generally, $3d$ transition metals have high melting points.
Reason $R$: Involvement of $3d$-electrons in addition to $4s$-electrons in the interatomic metallic bonding.
In light of the above statements, choose the most appropriate answer from the options given below:
Assertion $A$: Generally, $3d$ transition metals have high melting points.
Reason $R$: Involvement of $3d$-electrons in addition to $4s$-electrons in the interatomic metallic bonding.
In light of the above statements, choose the most appropriate answer from the options given below:
MediumNEET 2026
View SolutionWhich of the following is a correct statement?
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