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If an electron has spin quantum number of +1/2 and a magnetic quantum number of -1 , it cannot be presented in an:
(1) d -orbital
(2) f -orbital
(3) p -orbital
(4)s-orbital
Ans: s-orbital
which of the following has smallest heat of hydrogenation per mole A) 1-Butene B)trans-2-butene C)cis-2-butene D)1,3-butadiene Ans) D)1,3-
explain crystallization as a method of separating mixture
Which of the following is least ionic: (1) C 2 , H 5 Cl (2) KCl (3) BaCl 2 (4) C 6 H 5 +
The boron trihalides are highly volatile; BF 3 (b. p., 173 K) and BCI 3 , (b. p., 260.5 K are gases, BBr 3 a volatile liquid (b. p., 319 K) and Bl 3 a low melting solid (m. p.,
diagonal relationship between b ans si
Polynuclear benzenoid hydrocarbons are provided to be carcinogenic that means cancer producing.There are liberated by incomplete combusion of certain substances like tobacoo,coal p
Q. Show the Nomenclature compounds? In the earlier days naming of complexes was based on the colour of the complex. For example: Compound Colou
limitation of lewis is include bond parameter
if one ton contains 2000 pounds and the coal is 2% by mass sulfur, what is the mass sulfur in one ton of coal? how many grams of sulfur is this? how many moles of sulfur is this?
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
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