Covalent Bonds and Hybridization in Methane
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Questions and Answers

What is the electron configuration of carbon in the valence shell?

  • 2s1, 2px2, 2py1, 2pz1
  • 2s2, 2px0, 2py1, 2pz1
  • 2s2, 2px2, 2py2, 2pz0
  • 2s2, 2px1, 2py1, 2pz0 (correct)

    • What is the hybridization of the carbon atom in methane (CH4)?

  • sp2
  • sp3 (correct)
  • sp
  • dsp3

    • How are the four sp3 hybrid orbitals oriented?

  • Octahedrally
  • Planar
  • Tetrahedrally (correct)
  • Linearly

    • How much s character do the sp3 hybrid orbitals have?

    <p>25%</p> Signup and view all the answers

    How many new sp3 hybrid orbitals are formed when one 2s AO combines with three 2p AOs on the same carbon atom?

    <p>4</p> Signup and view all the answers

    How many hybrid orbitals are used by a carbon atom involved in a double bond?

    <p>3</p> Signup and view all the answers

    What type of bond is present in alkenes?

    <p>Double bond</p> Signup and view all the answers

    Why are alkenes considered more soluble in water than alkanes?

    <p>They have exposed pi electrons</p> Signup and view all the answers

    What type of reactivity do alkenes exhibit due to their double bond?

    <p>Higher reactivity than alkanes</p> Signup and view all the answers

    What is the general formula of alkenes?

    <p>$C_nH_{2n}$</p> Signup and view all the answers

    What is the hybridization state of a carbon atom involved in a double bond in alkenes?

    <p>sp2 hybridized</p> Signup and view all the answers

    How many pi-bonds are formed following the formation of a sigma bond in alkenes with a triple bond?

    <p>Two</p> Signup and view all the answers

    What is the molecular formula for 2-methyl-1,3-butadiene, an alkene compound?

    <p>C4H6</p> Signup and view all the answers

    Which type of atoms exhibit some slight interaction with water molecules due to exposed pi electrons in alkenes?

    <p>Alcohols</p> Signup and view all the answers

    What is one of the major types of reactivity exhibited by alkenes due to their double bond?

    <p>Addition reactions</p> Signup and view all the answers

    What is the percentage of s character in the sp3 hybrid orbitals?

    <p>25% s and 75% p</p> Signup and view all the answers

    How many equivalent bonds can carbon form in the tetrahedral structures of methane and carbon tetrachloride?

    <p>Four</p> Signup and view all the answers

    What is the valence shell electron configuration of carbon?

    <p>2s2, 2px1, 2py1, 2pz0</p> Signup and view all the answers

    What is the hybridization of the carbon atom in methane (CH4)?

    <p>sp3</p> Signup and view all the answers

    How are the four sp3 hybrid orbitals oriented?

    <p>Tetrahedral</p> Signup and view all the answers

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