List of top Chemistry Questions on Transition Elements asked in AP EAPCET

During the preparation of \(\mathrm{K_2Cr_2O_7}\) from chromite ore, in one of the steps, the yellow solution of sodium chromate is converted into orange sodium dichromate crystals. This is achieved by
A transition metal ion \(X^{3+}\) has a magnetic moment of \(\sqrt{15}\) BM. The atomic number of the metal \(X\) is
The fusion of chromite ore with \(Na_2CO_3\) in free access of air leads to the formation of yellow coloured solution of compound A and residue B along with the evolution of \(CO_2\) gas. Identify the correct statements regarding A and B.
I. A contains Cr-O-Cr linkage
II. B is \(Fe_2O_3\)
III. Oxidation state of chromium in A is +6
The nature of chromium oxide formed by the thermal decomposition of ammonium dichromate is
Which of the following pairs of ions are not paramagnetic in nature? (Atomic Number: $La=57$, $Ce=58$, $Eu=63$, $Gd=64$, $Tb=65$, $Yb=70$, $Lu=71$)

Which of the following transition elements exhibits the highest oxidation state? 
 

Which of the following pairs of ions will have same spin only magnetic moment values within the pair?
• [A.] \( \text{Zn}^{2+}, \text{Ti}^{2+} \)
• [B.] \( \text{Cr}^{2+}, \text{Fe}^{2+} \)
• [C.] \( \text{Ti}^{3+}, \text{Cu}^{2+} \)
• [D.] \( \text{V}^{2+}, \text{Cu}^{+} \) Choose the correct answer from the options given below:
Assertion (A): Transition elements have higher enthalpies of atomization.
Reason (R): Large number of unpaired electrons present in transition elements facilitate strong interatomic interaction and strong bonding between atoms.
Which of the following elements are not regarded as transition elements?
The outer electronic configuration of \(\mathrm{Pd}\) is
In the long form of periodic table, the \(d\)-block element which forms interstitial hydride is
Which of the following ions can reduce dilute acid to give hydrogen gas?