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Tests of phenol - Hydrocarbon (a) Aqueous solution of phenol gives a violet colouration with a drop of ferric chloride. (b) Aqueous solution of phenol gives a white precipit
some examples of RELATIVE MOLECULAR MASS OF SOLUTES BY RELATIVE LOWERING OF VAPOR PRESSURE
The present atomic weight scale is based on: (1) C 12 (2) O 16 (3) H 1 (4)C 13 Ans: C 12
Ionic and covalent bonds are present in: (1) CCl 4 (2) CaCl 2 (3) NH 4 Cl
Steric effect - Organic Chemistry On account of the existence of bulkier groups at the reaction centre, they makes problem as mechanical interference and with the result the at
Q. Show the Oxoacids of Sulphur? As you know, oxoacid is an acid in which the ionisable hydrogen atom is bonded, through an oxygen atom to the central nonmetal atom, e.g., E-OH
According to heisenberg uncertainty principle: (1) E=mc 2 (2) Δ x × Δp ≥ h/ 4 Π (3)γ = h/ p (4) Δ x × Δ = h / 6 Π Norma
The known metal ion solution used contains 0.10 M of each of the six metal ions (i.e. 0.10 M Ag+ and 0.10M Pb2+). An equal volume of 3 M HCl and the known solution are mixed. What
Q. Explain Pauli Exclusion Principle? When assigning electron configurations, it is essential to consider the two important principles concerning electrons in orbitals:
The energy of an electron in the first Bohr orbit of H atom is-13.6eV . The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are):
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