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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.
What wieght of CO is required to form re2(CO)10 from 2.5 gm of re2(O)7
explain Berzelius hypothesis and contradiction of daltons hypothesis with an example
mechanism of Etard reaction?
Suffix - IUPAC System of Naming Organic Compounds The word root is associated to the suffix that may be primary or secondary or both of them. (a) Primary suffix: A
For which of the following sets of four quantum numbers, an electron will have the highest energy: n l m s
Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
Acidic character order of phenon , ortho nitro phinol, para nitro phenol#
The covalent bond produced by the unequal sharing of electrons among the two atoms is known as polar covalent bond.
A sample of caco3 and mgco3 weighing 192 g is ignite to constant weight of 10 g. calculate sample composition.
Starch and its derivatives Starch is a white amorphous substance along with no taste or smell. While heated to a temperature among 200-250 o C it changes into dextrin. At large
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