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Which of the following is always a whole number : (1) Atomic weight (2) Atomic radii (3) Equivalent weight (4) Atomic number Ans: Atomic number
Difference between methanol and ethanol Methanol Ethanol (a) When CH 3 OH is heated on Cu coil it gives formalin like smell.
Calculate the total heat (in J) needed to convert .777 moles of gaseous ethanol at 300 degrees C and 1 atm to liquid ethanol at 25 degrees C and 1 atm. Extra info: b.p. 78.5 degree
Write the neutral calcium atom has a number The neutral calcium atom has a number of valence electrons euivalent to its group number, that is 2.
The number of d electrons in Fe +2 (atomic number of Fe= 26 ) is not equal to that of the: (1) p-electrons in Ne (At. No.= 10) (2) s-electrons in (At. No.= 12)
why beryllium cannot be attacked readily by acid
what is fehlings test and its reagent?
Q. Describe Coordinated octahedral complexes? Six-coordinated octahedral complexes of the type Mubr, Ma 3 b 3 , Ma 3 b 2 c, Ma 3 bcd, Ma 2 bcd, Ma 2 bcde, Mabcd of would all g
Q. How can we obtain Boron? Boron is- obtained by the red-action of B 2 O 3 with magnesium or sodium B 2 0 3 is first prepared by strongly katingH 3 B0 3 which is obtained b
Q. Show the Particle nature of light? Particle nature of light One of the first main clues to the electron structure of atoms was Albert Einstein's explanation of the photoe
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