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Home » Fsc Part 2 » Chemistry » Notes » Chemistry Chapter 8 | 2nd Year
Chemistry

Chemistry Chapter 8 | 2nd Year

April 3, 2013Updated:September 24, 20223 Comments1 Min Read
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 Chapter 8 Notes | Chemistry 2nd Year

“Aliphatic Hydrocarbons”

  1. Hydrocarbons are made up of carbon and hydrogen only. Saturated hydrocarbons are called alkanes. They do not contain functional groups.chapter-8-chemistry-2nd-year-notes
  2. Alkanes react with halogen by a radical mechanism ti give haloalkanes mechanism consists of three steps, initiation, propagation and termination.
  3. Alkenes are very reactive compounds. They undergo electroscopic reactions easily.
  4. Addition of unsymmetrical reagent to an unsymmetrical alken takes place accordance with the Markownikov’s rule.
  5. Hydrocarbons containing a triple bond are known as alkynes or acetylenes.
  6. Alkynes underho addition reaction and two molecules of a reagent are added in it.
  7. Etyne and other terminal alkynes contain a weakly acidic hydrogen and therreact with ammocial cupprous chloride and ammocial silver nitrate to give acetylide.
  8. The decreasing reactivity order alkanes, alkenes and alkynes are as follows:
    Aklenes>Alkynes>Alkanes

See Also: FSc 2nd Year Smart Syllabus

See Also: Chemistry 2nd Year Paper Scheme 2021


See Also: 2nd Year Chemistry Guess Papers 2021

2nd year notes Chemistry 2nd year notes Chemistry Notes free online notes Online Course
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3 Comments

  1. raees on September 19, 2015 2:08 pm

    very nice work

    Reply
  2. Dr. Sami Ullah on October 13, 2017 12:47 am

    Dear Respected Toufeeq sahib
    Assalam-o-alaiqum,

    I want to know whether these 2nd year chemistry notes are according to the latest edition July, 2017?

    Please respond.

    Best Regards,
    Dr. Sami Ullah

    Reply
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