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Explain and Define standard feat of formation
Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formation ( Hf *)
factors affecting the acidity of the aromatic carboxilic acids
The number of electrons in c l - ion is: (1) 19 (2) 20 (3) 18 (4) 35 Ans: 18
list the physical properties of two examples of metallic and non metallic elements
Metamerism - Type of Isomerism This type of isomerism is due to the difference in the nature of alkyl groups attached to the polyvalent atoms or functional set. Metamers always
In Heisenberg's uncertainty equation Δ x ×Δ p ≥ h/ 4 Π ; stands for: (1) Uncertainty in energy (2) Uncertainty in velocity (3) Uncertainty in momentum (4) Uncert
styx code of B4H10
What is the nature of urea? Is it acidic basic or neautral how can wr verify it?
Explain Resonance effects Resonance effects: The application of the resonance effect for predicting the relative rates of acid-catalyzed ester and amide hydrolyses is exactly
Atomic radius (r): As we known, the corner atoms do not touch each other. But, each corner atom touches the face centered atoms with the diagonal of the face of the cube as s
s block
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