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% (A)</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 (C)</p> Signup and view all the answers

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

<p>3 (A)</p> Signup and view all the answers

What type of bond is present in alkenes?

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

Why are alkenes considered more soluble in water than alkanes?

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

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

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

What is the general formula of alkenes?

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

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

<p>C4H6 (C)</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 (A)</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 (D)</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 (C)</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 (D)</p> Signup and view all the answers

What is the valence shell electron configuration of carbon?

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

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

<p>sp3 (D)</p> Signup and view all the answers

How are the four sp3 hybrid orbitals oriented?

<p>Tetrahedral (B)</p> Signup and view all the answers
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