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Write the maximum possible coordination number of an atom in an hcp crystal structure of an element?
Illustrate the formula relating pressure of a gas with its mole fraction in a liquid solution in contact with it.
Bond enthalpies The most straightforward measure of the strength of a bond is the energy needed to break it. Estimates of such bond energies are usually obtained from thermo c
name given to substance combination
What is meant by entropy driven reaction? How can a reaction with positive changes of enthalpy and entropy are made entropy driven
An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively: (1) 3 and 5 (2) 3 and 7 (3) 3 and 9
v CO has same electrons as or the ion that is isoelectronic with co is
principle of EDTA method
Questions with answers
The color of b-carotene The color of b-carotene is because of its chromophore of extensively conjugated double bonds. Catalytic hydrogenation would result in addition of hydrog
Aromaticity or aromatic character The characteristic behaviour of aromatic compounds is termed as aromaticity. Aromaticity is due to the extensive delocalisation of p-electron
What are the various types of point defects? How are they caused? (i) Vacancies: This refers to a missing atom or a vacant atomic site because of absence of a matri
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