AP EAMCET · Chemistry · d and f Block Elements
The yellow colour of chromate ion and orange colour of dichromate ion is due to
- A \(d\)-d transition only
- B charge transfer only
- C both \(d-d\) transition and charge transfer
- D \(s-d\) transitions only
Answer & Solution
Correct Answer
(B) charge transfer only
Step-by-step Solution
Detailed explanation
In both of chromate \(\left(\mathrm{CrO}_4^{2-}\right)\) and dichromate \(\left(\mathrm{Cr}_2 \mathrm{O}_7^{2-}\right)\) ions, \(\mathrm{Cr}\) is present in +6 oxidation state, i.e. \(d^0\)-configuration. So, \(d-d\) transition is absent in both of the ions. Their intense colour…
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 alloy, which contains \(95 \%\) aluminium and small amounts of copper, magnesium and manganese is ____AP EAMCET 2020 Easy
- Which transition metal oxide among the following has electrical conductivity similar to that of copper?AP EAMCET 2020 Easy
- Potassium cyanide is made alkaline with and boiled with thiosulphate ions. The solution is cooled and acidified with and this solution with iron chloride produces :-AP EAMCET 2021 Easy
- When the temperature of moles of an ideal gas is increased by at constant pressure, find the work involved in the process.AP EAMCET 2021 Easy
- Identify in the following reaction:AP EAMCET 2021 Easy
- \(16 \mathrm{~g}\) each of \(\mathrm{H}_2\), He and \(\mathrm{O}_2\) are present in a container exerting \(10 \mathrm{~atm}\). pressure at \(T(\mathrm{~K})\). The pressure in atm exerted by \(16 \mathrm{~g}\) each of \(\mathrm{He}\) and \(\mathrm{O}_2\) in the second container of same volume and temperature isAP EAMCET 2018 Medium
More PYQs from AP EAMCET
- If the ratio of the absolute temperature of the sink and source of a Carnot engine is changed from \(2: 3\) to \(3: 4\), the efficiency of the engine changes byAP EAMCET 2024 Easy
- \(\int e^x\left(\frac{2+\sin 2 x}{1+\cos 2 x}\right) d x\) is equal toAP EAMCET 2013 Hard
- A vessel has of oxygen at pressure and temperature . A small hole is made in it so that oxygen leaks out. How much oxygen leaks out if the final pressure is and temperature is ?AP EAMCET 2021 Medium
- The functions \(f(x)=x e^{-x}, \forall(x \in R)\) attains a maximum value at \(x\) is equal toAP EAMCET 2002 Easy
- If \(\frac{d}{d x}\left(A \log \left(\frac{\sqrt{1-x^3}+B}{\sqrt{1-x^3}+1}\right)\right)=\frac{1}{x \sqrt{1-x^3}}\), then \(A B=\)AP EAMCET 2022 Hard
- The ratio of radii of second orbit of hydrogen atom to fourth orbit of \(\mathrm{He}^{+}\)ion isAP EAMCET 2022 Easy