Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
Which of the following statements is not correct?
Chemistryd and f Block ElementsTS EAMCETTS EAMCET 2006
Options:
  • A In oxyhaemoglobin $\mathrm{Fe}^{2+}$ is paramagnetic
  • B During respiration the size of $\mathrm{Fe}^{2+}$ increases when it changes from diamagnetic to paramagnetic state.
  • C Four heme groups are present in haemoglobin
  • D Heme is the prosthetic group and it is non-protein part.
Solution:
2581 Upvotes Verified Answer
The correct answer is: In oxyhaemoglobin $\mathrm{Fe}^{2+}$ is paramagnetic
In oxyhaemoglobin $\mathrm{Fe}^{2+}$ is not paramagnetic.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play