Verified Solution • 2025–26 Session
moderate
QJEEM24Chfa9b: JEE Main 2024 Chemistry - Class 12 JEEM24Chfa9b Solution: Given below are two statements : Statement (I) : Dimethyl…
Given below are two statements :
Statement (I) : Dimethyl glyoxime forms a six-membered covalent chelate when treated with solution in presence of .
Statement (II) : Prussian blue precipitate contains iron both in and oxidation states.
In the light of the above statements, choose the most appropriate answer from the options given below :
Statement (I) : Dimethyl glyoxime forms a six-membered covalent chelate when treated with solution in presence of .
Statement (II) : Prussian blue precipitate contains iron both in and oxidation states.
In the light of the above statements, choose the most appropriate answer from the options given below :
Multiple Choice Options
- A Statement I is false but Statement II is true
- B Both Statement I and Statement II are true
- C Statement I is true but Statement II is false
- D Both Statement I and Statement II are false
Step-by-Step Verified Solution
Let's analyze each statement separately:
Statement (I): 
So, Statement I is false.
Statement (II): Prussian blue, also known as ferric ferrocyanide, is a famous pigment that contains iron in both +2 and +3 oxidation states. Its chemical formula can be represented as . In this formula, the iron within the square brackets, , is in the +2 oxidation state (ferrocyanide ion), while the iron outside the square brackets is in the +3 oxidation state (ferric ion). The compound is a complex salt that arises from the reaction of ferric and ferrous ions with cyanide ions. Therefore, Statement II is also true.
With both statements being true, the correct answer is:
Option A : Statement I is false but Statement II is true.