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Quantitative analysis - Estimation of Elements
After qualitative analysis of elements, the another step in the determination of molecular formula of an organic compound is the estimation of several elements by mass, that is finding the percentage composition of the elements by mass. The several methods generally employed for the estimation of principal elements are as follow:
1. Carbon and Hydrogen
2. Nitrogen
3. Halogens
4. Sulphur
5. Phosphorous
6. Oxygen
Why a covalent bond is directional? The covalent bond is formed as a result of pairing of two electrons in the atomic orbitals of two atoms. The bond then should lie along the
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Properties of Styrene Styrene is a colourless liquid, boiling point 145°C. On keeping, it slowly changes into a solid polymer known as meta styrene. The polymerisation is fast
What will happen if you mix nitrogen and hydrogen gas at room temperature? Explain your reasoning. Calculate the mole fraction of NH 3 that would form theoretically at 298.15
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TRANSITION ELEMENTS-MEANS?
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The de-Broglie wavelength associated with a material particle is: (1) Directly proportional to its energy (2) Directly proportional to momentum (3) Inversely proportiona
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