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Which of the following explains the sequence of filling the electrons in different shells:
(1) Hund's rule
(2) Octet rule
(3) Aufbau principle
(4) All of these
Ans: Aufbau principle
Why is it important to know pka of a buffer
Why Ionic compound does not show the property of space isomerism Ans) Ionic bond is Electrostatic. It is non directional, so Ionic compounds does not represent the property of
Middle oil of coal-tar distillation comprise naphthalene and phenolic elements. Phenolic compounds are isolated in subsequent steps. Step a: Middle oil is washed along with H 2
lABELed diagras
is (NH4)2S react with HNO3?
which element has the highest oxidation state and why?
which one will be chosen as cathode, Ag/Ag+ or Ag/Agi/i
Delocalisation of electrons in conjugated system is called resonance. For example there is delocalisation of electrons in benzene ,hence we write kekule structure for benzen.
how to calculate equivalent weight of LMnO4
Q. Show properties of the Borax? Salts of boric acids are known as borates. As said earlier, hydrated borates occur naturally, e.g., borax, Na 2 B 6 0 11 . 5H 2 0, kernite, Na
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