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Q. What is chlorophyll?
A magnesium complex of porphyrin is called chlotophyll. the green colouring material in plants and which is essential for photosynthesis.
Hemoglobin, plays the role of oxygen carrier in mammalian blood. In hemoglobin Fe2+ ion is not only surrounded by four nitrogens of porphyrin but the fifth position is occupied by nitrogen of the protein as shown in Fig.
Q. Structure of Covalent Bonds? Ans. A covalent bond forms between elements that are near each other in the periodic table While an ionic bond involves an exchange of e
how to make
Classification of polymers - Synthetic polymers The polymers that are prepared in the laboratories are known as synthetic polymers. These are as well described as manmade polym
please what are the applications of coordination compounds/ can someone help me out...please!
Q. Describe Gibbs Free Energy and Spontaneity? Ans. This is the end of the quest to find spontaneity. Free Energy, or Gibbs Free Energy is a quantity which balances the r
The π electrons of a conjugated molecule can be modeled as a particle in a box where the box length is a little more than the length of the conjugated chain. The Pauli exclusion pr
Anesthetics: It may be described as those drugs that generate insensibility to the major functions of all types of cell particularly of nervous system. Anesthetics may be categ
The lactone, a cyclic ester, can form an enolate ion, and this ion is alkylated by methyl iodide.
Free radical aromatic substitution - Hydrocarbon The aromatic substitution reactions that follow free radical mechanisms are extremely few and have limited synthetic value. Alt
Q. How to Replace Metals from their Salts: Ans. If zinc is added to a solution of copper (II) sulfate, it dissolves. A reddish-brown deposit of metallic copper appears,
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