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Identify the expected major product from the treatment of 1-pentyne with 2 equivalents of hbr. 1-bromo-1-pentene 2-bromo-1-pentene 1,1-dibromo pentane 2,2-dibromopentane 1,2-dibromopentane

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When we treated 1-pentyne with 2 equivalent of HBr, the formation of 2-Bromo-1-pentene takes place. This reaction follows Markonikov's rule, which states that incoming nucleophile is added to the carbon atom, which has less hydrogen.

What is hydrogen called?

  • Protium is the name of the common hydrogen isotope (H), while Deuterium (a proton and a neutron) and Tritium are the other two isotopes (a protron and two neutrons). Only the isotopes of hydrogen have been given distinct names. Nuclear fusion reactors use both deuterium and tritium as fuel.
  • The simplest chemical element is hydrogen (H), a colorless, odorless, tasteless, and combustible gaseous substance.
  • Hydrogen-containing inorganic substances with biological significance include water (H2O) and hydrochloric acid (HCl, which is produced by the stomach). Fundamentally speaking, organic compounds are described as substances with carbon atoms and Carbon-Carbon (C-C) and Carbon-Hydrogen (C-H) bonds.
  • Pure water that has additional hydrogen molecules added to it is called hydrogen water. The most abundant molecule known to man is hydrogen (H2). It is a gas that has no flavor, odor, or color. In any case, a Japanese research team discovered in 2007 that hydrogen gas ingested could act as a cancer preventative (antioxidant).

When we treated 1-pentyne with 2 equivalent of HBr, the formation of 2-Bromo-1-pentene takes place. This reaction follows Markonikov's rule, which states that incoming nucleophile is added to the carbon atom, which has less hydrogen.

1-bromo-1-pentene.

To learn more about hydrogen, refer to:

https://brainly.com/question/19813237

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