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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.
laws of chemical combinations
what are polyfunctional compounds?expalin the nomenclature of polyfunctional organic compounds with examples
solubility of s-block elements to flame test
how to calculate transport number by moving boundary method
What are the basic physical and chemical properties of this group
Magnetic property of d block elements
Why cyclo propane is more stable than cyclohexane
Tests of chloroform (a) It gives isocyanide test (Carbylamine test). (b) It makes silver mirror with Tollen's reagent. (c) Pure Chloroform does not give white precipitate
Why boron is electron-deficient (a) Every atom has an octet; thus, this is not an electron-deficient compound. (b) The boron is electron-deficient because it has a sextet o
Q. Calculate Enthalpy Changes in system? Ans. It turns out that you can add reactions the same way you add algebraic equations. The enthalpy of the resulting reaction is the su
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