List of top Chemistry Questions on properties of d block elements asked in KEAM

The transition metal ion with the least ionic radius (in pm) is

\(KMnO_4\) is prepared from Mn(II) ion salts by oxidizing it with

Which of the following is an incorrect statement?

Which of the following is a colourless transition metal ion?

The \(3d\) metal that forms fluoride in +6 oxidation state is

The transition metal oxide used as a catalyst in the manufacture of sulphuric acid is

How many peroxy linkages are present in \(CrO_5\)?

In aqueous solution, Cr\(^{2+}\) is stronger reducing agent than Fe\(^{2+}\). This is because

Choose the correct matching of transition metal ion and magnetic moment from the codes given below (At. No: Ti = 22, V = 23, Fe = 26) Transition element
• [(a)] Titanium (III) (1) 4.9
• [(b)] Vanadium (II) (2) 1.73
• [(c)] Iron (II) (3) 3.87

The calculated magnetic moment of a divalent ion of an atom with atomic number 24 in aqueous solution is

The calculated magnetic moment of a divalent ion of an atom with atomic number 24 in aqueous solution is

The calculated magnetic moment of a divalent ion of an atom with atomic number 24 in aqueous solution is

An alloy of transition metal containing a non transition metal as a constituent is

In which one of the following, d-d transition involves absorption in the ultraviolet region

The catalytic activity of the transition metals and their compounds is ascribed to: