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Molecular Formula
Molecular formula of a substance provides the actual number of atoms that present in one molecule of the substance.
Molecular formula = n * Empirical formula
In which n is a simple integer 1, 2, 3,...... etc. illustrated by the equation,
n = Molecular mass of the compound / Empirical formula mass of the compound
in which the molecular mass of the compound is defined experimentally by any one of the methods discussed previously, empirical formula mass is measured by adding the atomic masses of all the atoms exist in the empirical formula.
Non-benzenoid aromatics and Heterocyclic compounds There are aromatic compounds that have structural units which are not same from benzenoid type and are termed as Non-benzeno
#how to balance equations
Which of the following sets is possible for quantum numbers : (1) n=4, l=3, m= -2 , s=0 (2) n=4, l=4, m= +2 , s=1/2 (3) n=4, l=3, m= -2 , s=+1/2 (4)
Q. How do we measure food texture? Food texture can be evaluated by mechanical test or instrumental methods. This is called as objective evaluation. When we use the human sens
Which statement is not correct for n=5, m=3: (1) l=4 (2) l=0, 1.3, s =+1/2 (3) l= 3 (4) All are correct Ans:l=4
According to Bohr's principle, the relation between principle quantum number and radius of orbit is: (1) r ∞ n (2) r ∞ n 2 (3) ∞1/n (4) r∞ 1/ n 2 Ans: r
Q. Rehydration tests for the dried sample? • gain knowledge about the sensory changes that take place during the dehydration of the samples, and • learn about the effectiv
The number of appositively charged ions surrounded a certain ion in an ionic crystal lattice is known as co- ordination number.
Free radical and Aromatic rearrangement Migration or Rearrangement to free radical species or Free radical rearrangement: Those rearrangement reactions where the migr
2+2
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