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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 direction of the overlapping of atomic orbital i.e. the bond only happens in the direction of the shared pairs of electrons. As the covalent bonds will have strong directional preferences unlike ionic and metallic bonds.
A moving particle may have wave motion, if: (1) Its mass is very high (2) Its velocity is negligible (3) Its mass is negligible (4) Its mass is very high and velocity
what is inert pair effect
Describe the following observations: a. Lyophilic colloid is more stable than Lyophobic colloid. b. Coagulation takes place when sodium chloride solution is added to a collo
Explain rules of pericyclic The pericyclic selection rules say absolutely nothing about the position of equilibrium in every case. These rules refer to rates of reactions, not
Q. Explain about Magnetic Separation ? This process is based on the difference in magnetic properties of minerals. If the ore but not the gangue is attracted by a magnetic fiel
NITROGEN Nitrogen is the great strength of the triple bond makes N2 thermodynamically and kinetically stable but moderately electronegative element. The atom can form three sing
Draw out the Lewis structures of the following two compounds. BeCl 2 + 2Cl- → (a) Determine which compound is the Lewis acid and which is the Lewis base. What are the
The atomic orbitals are progressively filled in order of increasing energy. This principle is called as: (1) Hund's rule (2)Aufbau principle (3) Exclusion principle (4
The sulphate of a metal has the formula M 2 (SO 4 ) 3 . The formula for its phosphate will be: (1) M(HPO 4 ) 2 (2) M 3 (PO
Electroanalytical technique: An electroanalytical technique is based on the measurement of one or more electrical quantities and their magnitudes could be correlated with the
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