Chemistry - Complete d-block Question with Solution | TestHub
ChemistryComplete d-blockd-blockMedium2 minQB
ChemistryMediummultiple choice
In which pair(s) both ions have same colour of aquated ions.
Options:(select one or more)
Answer:
A, D
Solution:
The color of aquated ions depends on the number of unpaired d-electrons and d-d transition.
Cr³⁺ and Mn³⁺ both have d³ configuration, so both show a similar color (violet). Hence, (A) is correct.
Fe³⁺ (d⁵) and Cr³⁺ (d³) have different configurations, so their colors are different.
V⁴⁺ (d¹) and Cu²⁺ (d⁹) both appear blue, so (D) is correct.
Correct Answer: (A) and (D)
Stream:JEESubject:ChemistryTopic:Complete d-blockSubtopic:d-block
⏱ 2mℹ️ Source: QB
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