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Resonance effect - Effect of substituents on acidity Same as inductive effect, if the resonance producing group exerts minus effect that is, if it withdraws electrons, it raise
Role of organic solvents in atomisation: The organic solvents of low molar mass like alcohols, ethers, and ketones enhance the absorption peaks by increasing rate of aspiratio
Which of the following electronic configurations is not possible: (1) 1s 2 , 2s 2 (2) 1s 2 , 2s 2 , 2p 6 (3) 3d 10 4s 2 4p 2
color formation of d-block elements
A substance that has a molecular structure built up chiefly or completely from a large number of similar units bonded together.
Calculate how the internal energy stored in one O-H bond of H20 Consider the following chemical reaction H20(g)-->2H(g) + O(g) at 298.15 K and 1.00 Bar fH* [H(g)]=218.0 kJ/mole fH*
Q. Show the Hydrides of Boron and Aluminium? Boron forms a series of volatile hydrides which resemble in some respects, e.g., volatility and covalent nature, the hydrides of c
Covalent compounds are generally ...... in water: (1) Soluble (2) Insoluble (3) Dissociated (4) Hydrolysed Ans:
Solubility - physical characteristics of carbonyl compounds Aldehydes and ketones upto 4 carbon atoms are miscible along with water. This is because of the existence of hydroge
Ionic and covalent bonds are present in: (1) CCl 4 (2) CaCl 2 (3) NH 4 Cl
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