TS EAMCET · Chemistry · Structure of Atom
The electronic configuration of \({ }_{59} \mathrm{Pr}\) (praseodimium) is
- A \(\left[{ }_{54} \mathrm{Xe}\right] 4 f^2 5 d^1 6 s^2\)
- B \(\left[{ }_{54} \mathrm{Xe}\right] 4 f^1 5 d^2 6 s^2\)
- C \(\left[{ }_{54} \mathrm{Xe}\right] 4 f^3 6 s^2\)
- D \(\left.{ }_{54} \mathrm{Xe}\right] 4 f^3 5 d^2\)
Answer & Solution
Correct Answer
(C) \(\left[{ }_{54} \mathrm{Xe}\right] 4 f^3 6 s^2\)
Step-by-step Solution
Detailed explanation
Electronic configuration of \({ }_{59} \mathrm{Pr}\) (praseodimium). [Xe] \(4 f^3 5 d^{\circ} 6 s^2\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The frequency of the radiation emitted by alkali metals in the flame test follows the order :TS EAMCET 2019 Easy
- Observed the following reaction. This reaction represents \(4 \mathrm{HCl}+\mathrm{O}_2 \xrightarrow[723 \mathrm{~K}]{\mathrm{CuCl}_2} 2 \mathrm{Cl}_2+2 \mathrm{H}_2 \mathrm{O}\)TS EAMCET 2024 Easy
- The molecular formula of a coordinate complex is \(\mathrm{COH}_{12} \mathrm{O}_6 \mathrm{Cl}_3\). When one mole of this aqueous solution of complex is reacted with excess of aqueous \(\mathrm{AgNO}_3\) solution, three moles of AgCl was formed. What is the correct formula of the complex?TS EAMCET 2024 Medium
- Match the following:

The correct answer isTS EAMCET 2025 Medium - When compound \(X\) is oxidised by acidified potassium dichromate, compound \(Y\) is formed. Compound \(Y\) on reduction with \(\mathrm{LiAlH}_4\) gives \(X . X\) and \(Y\) respectively are :TS EAMCET 2006 Medium
- Water is considered to be polluted if the dissolved oxygen D.O. content is less than ... :... ppm :TS EAMCET 2003 Easy
More PYQs from TS EAMCET
- If you are using eye glasses of power 2D, your near point isTS EAMCET 2024 Easy
- If \(x=3 \sqrt{2} \cos ^3 \theta\) and \(y=4 \tan ^2 \theta\) then \(\left(\frac{d y}{d x}\right)_{\theta=\frac{\pi}{4}}=\)TS EAMCET 2023 Easy
- \(\overrightarrow{\mathbf{A}}\) and \(\overrightarrow{\mathbf{B}}\) are two vectors of equal magnitudes and \(\theta\) is the angle between them. The angle between \(\overrightarrow{\mathbf{A}}\) or \(\overrightarrow{\mathbf{B}}\) with their resultant isTS EAMCET 2010 Easy
- Work functions of four metals \(\mathrm{M}_1, \mathrm{M}_2, \mathrm{M}_3\) and \(\mathrm{M}_4\) are \(4.8,4.3,4.75\) and 3.75 eV respectively. The metals which do not show photoelectric effect when light of wavelength 310 nm falls on the metals areTS EAMCET 2025 Medium
- A block of mass \(2 \mathrm{~kg}\) is connected to an ideal spring and is placed on a smooth horizontal surface. The spring is pulled to move the block and at an instant, the speed of end \(A\) of the spring and speed of the block were measured to be \(6 \mathrm{~m} / \mathrm{s}\) and \(3 \mathrm{~m} / \mathrm{s}\), respectively. At this moment the potential energy stored in the spring in increasing at a rate \(15 \mathrm{~J} / \mathrm{s}\). Find the acceleration of the block at this instant.
TS EAMCET 2019 Easy - When acetaldehyde is heated with Fehling solution, a red precipitate is formed. Which of the following is that?TS EAMCET 2006 Easy