Answer:
Magnesium is the most reactive element. it is higher than the other elements (Fe, Pb, Zn) in the electrochemical series
You may find in the attached picture the structure for compound (A) and (B).
Explanation:
The compound (A) and (B), which are haloalkanes, will undergo base-promoted E2 elimination and it will form the alkene (C) with the double bond in the second position. Zaitev's rule, which is an empirical rule, tell us that the halogen will leave with the hydrogen from the neighbor carbon which have the lowest amount of hydrogen, in the picture this specific hydrogen have a blue color.
Further compound (C) it will form compound (A), as a major product, by addition of hydrobromic acid. The Markovnikov's rule, which is also empirical, tell us that the halogen from the acid will add the carbon, involved in the double bond, that have the lowest amount of hydrogen.
Compound (C) will participate to a hydrogenation reaction to form 2,6-dimethylheptane.
Learn more about:
Zaitev's rule
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Markovnikov's rule
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brainly.com/question/3771046
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Isotopes exist due to atoms of the same element having different numbers of neutrons
Answer:
Phosphodiester Bond
Explanation:
Nucleotides are linked with a phosphodiester bond formed between the phosphates group present in Nucleotides.
Nucleic acids including DNA and RNA in living organisms. Phosphodiester bond between nucleotide is broken to supply the energy for nucleic acid synthesis and supply energy between the 5' and 3' carbon atoms in Nucleic acids.
Hence, the correct answer is "Phosphodiester Bond".