MHT CET · Chemistry · d and f Block Elements
Most common oxidation states of Ce (cerium) are
- A \(+3,+4\)
- B \(+2,+3\)
- C \(+2,+4\)
- D \(+3,+5\)
Answer & Solution
Correct Answer
(A) \(+3,+4\)
Step-by-step Solution
Detailed explanation
Cerium \(\mathrm{Ce}_{58}=[\mathrm{Xe}] 4 f^{1}, 5 d^{1}, 6 s^{2}\)
Its most stable oxidation state is \(+3\) but \(+4\) is also existing.
Its most stable oxidation state is \(+3\) but \(+4\) is also existing.
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
- Calculate the time in seconds required to reduce the concentration of reactant to half of initial concentration for first order reaction if rate constant is \(1.386 \times 10^{-3} \mathrm{~s}^{-1}\)MHT CET 2025 Easy
- The reaction \(2 \mathrm{~A}+\mathrm{B}+\mathrm{C} \longrightarrow \mathrm{D}+\mathrm{E}\) is found to. be first order in A , second order in B and zero order in C . What is the effect of increasing concentration of all reactants twice?MHT CET 2024 Easy
- How many values of magnetic quantum number are possible for each value of azimuthal quantum number?MHT CET 2021 Easy
- Name the catalyst used in the commercial preparation of phenol.MHT CET 2016 Medium
- What is the value of \(\angle \mathrm{S}\)-S-S in puckered \(\mathrm{S}_8\) rhombic sulfur?MHT CET 2023 Easy
- A gas is allowed to expand against a constant external pressure of 2.5 bar from an initial volume of \(2.5 \mathrm{~L}\) to a final volume of \(4.5 \mathrm{~L}\). What is amount of work done?MHT CET 2022 Medium
More PYQs from MHT CET
- Let \(\omega=-\frac{1}{2}+\mathrm{i} \frac{\sqrt{3}}{2}, \mathrm{i}=\sqrt{-1}\), then the value of \(\left|\begin{array}{ccc}1 & 1 & 1 \ 1 & -1-\omega^2 & \omega^2 \ 1 & \omega^2 & \omega^4\end{array}\right|\) isMHT CET 2024 Hard
- A series resonant circuit consists of inductor ' \(L\) ' of negligible resistance and a capacitor ' C ' which produces resonant frequency ' f '. If L is changed to 3 L and ' C ' is changed to 6 C , the resonant frequency will become.MHT CET 2024 Easy
- Identify the reagent R used in following reaction?
MHT CET 2021 Easy - The quadratic equation whose roots are the numbers having arithmetic mean 34 and geometric mean 16 isMHT CET 2020 Easy
- If \(0.01 \mathrm{~m}\) aqueous solution of an electrolyte freezes at \(-0.056{ }^{\circ} \mathrm{C}\). Calculate van't Hoff factor for an electrolyte. (Cryoscopic constant of water \(=1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}\) )MHT CET 2023 Medium
- If
\(\mathrm{I}=\int \frac{\sin x+\sin ^3 x}{\cos 2 x} \mathrm{~d} x=\mathrm{P} \cos x+\mathrm{Q} \log \left|\frac{\sqrt{2} \cos x-1}{\sqrt{2} \cos x+1}\right|+\mathrm{c},\)
(where \(\mathrm{c}\) is a constant of integration), then the values of \(\mathrm{P}\) and \(\mathrm{Q}\) are respectivelyMHT CET 2023 Hard