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Q. What do you mean by Dative Covalent Bonds?Dative Covalent Bonds
Ans.
Sometimes both electrons in the shared pair come from one atom. This type of bond is called a dative covalent bond.
For example, in the ammonium ion (NH4+) a dative bond occurs between the hydrogen ion (H+) and nitrogen atom. Here, the nitrogen atom supplies both of the electrons of the covalent bond:
Why is ammonium (NH4) seperately placed in zeroth group in detection of basic radical in qualitative analyisis?
Highest covalent character is found in: (a1 CaF 2 (2) CaCl 2 (3) CaBr 2 (4)
calculate the voltage of the cell mg/mg+//cd2+/cd at 250c.when[cd2+]=7*10-11 M,[mg2+]=1.0M and standerd electrode potential=1.97V.
Certain basic properties of lakes and oceans are important to understanding how they "work". One of these is the density of the water, and its changes. Dense (or heavier) water wan
Calculate the combustion energies for the burning of 1 mol of propane and butane. It can be supposed that all reactants and products are obtained under standard conditions.
Thermodynamics Consider an ionic solid that dissolves in water according to the equation: The equilibrium constant for the reaction, is defined as the solubilit
Iodometric Titrations and Iodimetric The reduction of free iodine to iodide ions and oxidation of iodide ions to free iodine takes place in these titrations. I 2 + 2e - →
homolytic fission
(i) Illutrate integrated rate law and derive it for first order reaction. (ii) Why coal does not burn by itself in air but once initiated by flame, it continues to burn?
Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
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