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The radius of first Bohr's orbit for hydrogen is 0.53 Å. The radius of third Bohr's orbit would be: (1) 0.79 Å (2) 1.59 Å (3) 3.18 Å (4)4.77 Å
Application of chemicals in Food preservatives
An electronic transition from 1s orbital of an atom causes: (1) Absorption of energy (2) Release of energy (3) Both release or absorption of energy (4) Unpredictable
For the dissociation equilibrium of formic acid, HCO 2 H(aq) ↔ H + (aq) + HCO 2 - (aq), the acid dissociation constant at 298.15K has the value K a = 1.77 *10 -4 . (a) Find t
1.which of the following is f-block element /
Physical properties of Adipic Acid (a) Adipic Acid is a white crystalline solid. Its melting point is 150°C. (b) Adipic Acid is fairly soluble in alcohol and ether but less
what are the applicatio of photochemistry
Why do the hydrides of O and F in group 16 and 17 respectively show abnormally high melting points and boiling points as compared to other hydrides in their respective groups? Expl
while gibing the ph and the volume intial and final how do we calculate the number of moles
a complete explnation about inductive effect with example
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