List of top Chemistry Questions on properties of d block elements

Which of the following transition elements exhibits the highest oxidation state?
The magnetic moment of \(Cr^{3+}\) ion is \(3.87\ \text{BM}\). The number of unpaired electrons present is:
Assertion (A): Mercury is not a transition element.
Reason (R): Mercury is a liquid metal.
The product and its colour when $\text{MnO}_2$ is fused with $\text{KOH}$ in presence of $\text{O}_2$:
Which of the following statement is correct?
Which of the following is an INCORRECT statement?
The substance used to convert sodium chromate to sodium dichromate in one of the stages of preparation of potassium dichromate is
The calculated magnetic moment of two dipositive ions of 3d series element is 4.9 BM. The ions are
The first transition series metal that exhibits only +2, +3, +4 and +6 oxidation states is
Which transition element among the following shows the highest number of oxidation states?
Which of the following pair of transition metal ions are diamagnetic?
When \(KMnO_{4}\) is heated to 513 K the products formed are \(K_{2}MnO_{4}\), \(O_{2}\) and.
Some transition metal ions given below contain spin only magnetic moment (BM). Which of the following is not correctly matched?
Which of the following transition metal has more than one metallic structure at normal temperature?
What is the approximate magnetic moment of \(Mn^{2+}\)?
Find the order of magnitude of electrode potential ($E^\circ_{\text{M}^{2+}/\text{M}}$) of
Cr, V, Mn, Fe, Co
The number of valence electrons present in the metal among Cr, Co, Fe and Ni which has the lowest enthalpy of atomisation is
\(CrO_3\) is a/an
Which of the following outermost electronic configuration of the element shows the highest oxidation state?
Which of the following transition metal has the highest magnetic moment?
Which of the following is not an interstitial compound?
Which of the following 3d transition metal has +5 state as the more stable state?
Which of the following statement is true about potassium permanganate?
The most common oxidation states of chromium are
When potassium permanganate is heated to 513 K it forms