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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.
How many unpaired electrons are present in cobalt [Co] metal: (1) 2 (2) 3 (3) 4 (4) 7 Ans: 3
Q.give characterstics of matter?
Are there any other palatable inorganic acids other than phosphoric acid? I need it because I on a research for finding food replacing plants ---- us becoming autotrophs. I am on t
Coordination Position Isomerism: If in a multinuclear complex the distribution of ligands around the metal centres changes it will result in a different isomer. Such an isomerism
Ask question #The first-order rate constant for the decomposition of dimethyl ether is 3.2 ? 10 -4 s -1 at 450 o C. The reaction is carried in a constant volume flask. Initially on
reason behind the diganol relationship of lithium and magnishim
Delocalisation of electrons in conjugated system is called resonance. For example there is delocalisation of electrons in benzene ,hence we write kekule structure for benzen.
What is the difference among multimolecular and macromolecular colloids? Give one example of each type. How are associated colloids dissimilar from these two types of colloids?
Magnesium is the lightest of the structural metals. While this low density is an attractive property, magnesium also has a high corrosion rate that has often been seen as a disadva
why are salts of alkali metals diamagnetic
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