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Why a covalent bond is directional?
Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of atomic orbital i.e. bond only takes place in the direction of shared pairs of electrons. Hence covalent bonds would have strong directional preferences unlike metallic and ionic bonds.
Q. Describe about Coordination compounds? The complexes show a wide variety of physical and chemical properties which are quite different from normal salts. These differences
which solution is formed when iodine solution ,copper sulphate and caustic soda are mixed?
explain the principle of EDTA method
Nucleophilic aromatic substitution is possible, but involves substitution of a typical leaving group rather than a hydrogen atom. Remembering that S N 2 and S N 1 mechanisms are no
how is the material extracted from concentrated ore?
how can the melting point be used to determine the purity of organic compounds
Q. Give neutralization reactions of salts? Ans. A salt is an ionic compound composed of an anion from an acid and a cation from a base. Sodium chloride, NaCl, and potassiu
Q. Determine the crude fibre content in the given of flour? To determine the crude fibre content in the given sample of flour. After undertaking this activity, you will be a
methods for preparing trihydric alcohols
How many octahedral and tetrahedral voids are present in HCP? Ans) octa -no of atoms prsnt ,nd tetra -twice of it.
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