Ethene is classified as an unsaturated hydrocarbon because it has _____.
2 answers:
<u>Answer:</u> The correct answer is Option B.
<u>Explanation:</u>
Unsaturated hydrocarbons are defined as the species in which double bond is present between carbon and carbon bonds and single bond is present between single bonds.
The general formula for these species is where n = 1, 2, 3, 4 and so on..
Ethene is an unsaturated hydrocarbon having 2 carbon atoms and double bond is present between them.
Hence, the correct answer is Option B.
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Answer:
strength of hypericin in mixture = 0.42 %
Explanation:
given data
each lot = 100 g
active component hypericin = 0.3%, 0.7%, and 0.25%
solution
we get here percent strength o hypericin in the mixture that is
Hypericin contribution lot 1 = × 100
Hypericin contribution lot 1 = 0.3 g
and
Hypericin contribution lot 2 = × 100
Hypericin contribution lot 2 = 0.7 g
and
Hypericin contribution lot 3 = × 100
Hypericin contribution lot 3 = 0.25 g
so
total 300 g mixture of hypericin contain = 0.3 g + 0.7 g + 0.25 g
total 300 g mixture of hypericin = 1.25 g
so here percent strength o hypericin in mixture is
strength of hypericin in mixture = × 100
strength of hypericin in mixture = 0.42 %