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In Bohr's model, atomic radius of the first orbit is γ the radius of the 3rd orbit, is: (1) γ/ 3 (2)γ (3) 3γ (4) 9γ Ans: 9γ
Physical properties of Acetone - Aldehydes and Ketones (a) Acetone is a colourless liquid with characteristic pleasant odour. (b) Acetone is inflammable liquid. It boils at
how ti find numbeer of neutrons in dipositive zinc ion with mass number 70?
Talcum powder: Talcum powder is utilized to decrease impatience of the skin. Talcum powders such as face powders comprise talc (Mg 3 (OH) 2 Si 4 O 10 ) Chalk, zinc stearate an
describe iron exchange process
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Strengths of Phenols - Hydrocarbon The comparative strengths of some phenols (as acids) are like this: p-Nitrophenol > o-Nitrophenol > m- Nitrophenol > Phenol Presence of
The atomic number of an element is 17. The number of orbitals containing electron pairs in its valence shell is: (1) Eight (2) Six (3) Three
Explain Protonation Protonation of the ring double bond gives a tertiary carbocation that reacts with the carbonyl oxygen of the ester to give the lactone.
theory of oxidation & reduction titration with examples
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