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Q. Show the properties of Tetrahydrido borate? Tetrahydrido borate anion BH - 4 has a tetrahedral structure which can be explained on the basis of sp 3 hybridisation of boron
Q. Occurrence of group 13 element? Both boron and aluminium have a high affinity for oxygen, so neither of them is found native. Boron occurs principally in the earth's crust a
Which geometry does have Formaldehyde molecule The formaldehyde molecule has trigonal planar geometry. Therefore, both the H-C-H bond angle and the H-CAO bond angle are abou
Q. Describe Peroxomonosulphuric Acid? It is also known as permonosulphuric acid. It is obtained by the action of chlorosulphuric acid on cold anhydrous hydrogen peroxide :
Q. What is an Emulsifier? An emulsifier is a compound that contains both polar and nonpolar groups and thus is drawn to the interface between the two phases of an emulsion to
The total number of orbitals in an energy level designated by principal quantum number n is equal to: (1) 2n (2) 2n 2 (3) n
The aluminum foil on a certain roll has a total area of 18.5m2 and a mass of 1275g. Using a density of 2.7g per cubic centimeter for aluminum, determine the thickness in millimeter
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why ionisation energy of aluminium is greater then Ga?
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