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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.
The galvanic cells in which electrodes are made of same metal but they are immersed in the electrolytes of different concentrations in two half cells are called concentration cells
Write a reaction for which the enthalpy change will be (delta H) for solid aluminum oxide.
OSCILLATOR THEORY OF LIQUID
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
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hardness of borewell water is less than that of seawater
Write a conclusion on project "medicines uses''
Melting and freezing points: When a pure solid substance is heated through its melting point (melting temperature), the solid changes to a liquid. At the melting point equilibr
tests for the presence of iodoform
Direction of the shift of electron pair The direction of the shift of electron pair can be decided on the basis of subsequent points. (i) While the sets related to a multipl
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