List of top Chemistry Questions on properties of d block elements

The number of valence electrons present in the metal among Cr, Co, Fe and Ni which has the lowest enthalpy of atomisation is
Which of the following d-block elements has the highest melting point?
The correct statement about Zn, Cd, Hg are
Among \( \mathrm{Cu^{2+}}, \mathrm{Fe^{3+}}, \mathrm{Ti^{3+}} \) and \( \mathrm{Zn^{2+}} \) ions, the number of ions that impart colour is _ _ _ _ _ _ _
Chlorides of which metal are soluble in organic solvents:
What is the characteristic valence shell configuration of coinage metals?
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Lithium salts are hydrated.
Reason (R) : Lithium has higher polarising power than other alkali metal group members.
In the light of the above statements, choose the most appropriate answer from the options given below :
The \( \text{Eu}^{2+} \) ion is a strong reducing agent in spite of its ground state electronic configuration (outermost) : [Atomic number of Eu = 63]
Which one of the following correctly represents the order of stability of oxides, \( X_2O \); (X = halogen) ?
The number of S=O bonds present in sulphurous acid, peroxodisulphuric acid and pyrosulphuric acid, respectively are :
Acidic dichromate ion reacts with hydrogen peroxide to the formation of deep blue colour. This is due to the formation of
Which of the following ions has the highest magnetic moment?
Which of the following arrangements does not represent the correct order of the property stated against it?
The correct order of the first ionization enthalpies is:
The correct order of the spin-only magnetic moment of metal ions in the following low spin complexes, ${[V(CN)_6]^{4-}, [Fe(CN)6]^{4-}, [Ru (NH3)6]^{3+},}$ and ${[Cr(NH3)6]^{2+}}$, is :
The number of elements present in the d-block of the periodic table is
Which one of the given elements shows maximum number of different oxidation states in its compounds?
The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn=25, Co=27, Ni=28, Zn=30)
Which of the following arrangements does not represent the correct order of the property stated against it?
The number of elements present in the d-block of the periodic table is:
The kinetic energy of an electron gets tripled, then the de-Broglie wavelength associated with it changes by a factor
Potassium dichromate is used:
Which of the following is colorless?