Coordination compounds have significant importance in biological systems. In this context,which of the following statements is incorrect?

  • A
    Cyanocobalamin is $Vitamin \ B_{12}$ and contains cobalt.
  • B
    Hemoglobin is the red pigment of blood and contains iron.
  • C
    Chlorophyll is the green pigment in plants and contains calcium.
  • D
    Carboxypeptidase-$A$ is an enzyme that contains zinc.

Explore More

Similar Questions

For silver plating of copper,$K[Ag(CN)_2]$ is used instead of $AgNO_3$. This is because ........

Difficult
View Solution

Assign $A$,$B$,$C$,$D$ from the given type of reaction.
$[Cr(NH_3)_6]^{3+} + 6HCl \longrightarrow Cr^{3+}(aq.) + 6NH_4Cl$

Sodium thiosulphate $(Na_2S_2O_3 \cdot 5H_2O)$ is used in photography to

Which of the following hydroxides is soluble in ammonia?

$EDTA$ is used in the estimation of

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo