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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.
how to count two oxidation no. of Cl in Ca(OCl)Cl?
Q. Determine Infrared moisture balance in flour? Infrared moisture balance is an instrument for measuring the moisture content of materials that do not change their chemical
what is free radical mechanisms
Analytical test of Oxalic acid or Polyprotic acid (a) The aqueous solution turns blue litmus red. (b) The aqueous solution includes effervescences along with NaHCO 3 . (c
what is electronic configuration
Each element has a unique number of protons. This unique number is known as the element's atomic number . All atoms of a given element have the same atomic number. For example:
150ml of a gas at 27C is heated to 77C at constant pressure.find the new volume of the gas.
In this synthesis of indole the addition of keto thioether to choloroamine to give sulphonium ion. this reaction is carried out at low temperature . why?
When atoms are bombarded with alpha particles, only a few in n, others pass out undeflected. This is because : (1) The nucleus occupies much smaller volume compared to the volu
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
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