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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.
Describe the following electrochemical methods in terms of their working principles instrumentation and applications i. Potentiometry ii. polarography iii. Conductometry
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When α -particles are sent through a thin metal foil, most of them go straight through the foil because (one or more are correct) : (1) Alpha particles are much heavier than ele
What are the different mechanism to produce methanol(CH3OH)?
The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
how is a peptide bond made through dehydration using a chemical equation?
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 How To Develop A Ne
Making a model hydraulic elevator Some freight and passenger elevators are increased by water pressure. You can make a model of one of these with an automobile hand pump. Conne
Waxes - Carboxylic acids Waxes are the esters of higher fatty acids along with higher monohydric alcohols. The acids and alcohols generally found in waxes are palmitic, cerotic
where is the asterisk located
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