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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.
explain the bonding and structure in transition metal carbonyls
Q. Show Electron Dot Diagrams for Covalent Bonds? Ans. Electron dot diagrams for covalent bonds In covalent bonds, atoms share electrons in such a manner that each atom
interconversion of phenol to meta-bromo phenol
why are lanthanides and actinides called innertransition metals
lanthanoids with +4 o.s act as strong oxidising agents even though it is in stable configuration f zero
2 Kg of ice at -20 degree C is mixed with 5Kg of water 20 degree C in an insulating vessel containing negligible heat capacity. Measure the final mass of water remaining in the con
how to nomenclate bicyclo compounds
How S.E.P. explains stability of particular oxidation state of transition metals?
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
You are interested in modelling a 10 m surge tank which holds the products exiting a plug flow reactor, as shown below. One of the purposes of the tank is to heat the reactor prod
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