When is a multiple bond said to exist between two atoms?

  • A
    When one electron pair is shared.
  • B
    When two or more electron pairs are shared.
  • C
    When electrons are transferred.
  • D
    When no electrons are shared.

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Similar Questions

What are electron-deficient compounds? Are $BCl_3$ and $SiCl_4$ electron-deficient species? Explain.

Which one of the following compounds is a Lewis acid?

The table shown below gives the bond dissociation energies $E_{diss}$ for single covalent bonds of carbon $C$ atoms with elements $A, B, C$ and $D.$ Which element has the smallest atoms?
$Bond$ $E_{diss} (kJ \ mol^{-1})$
$C-A$ $240$
$C-B$ $328$
$C-C$ $276$
$C-D$ $485$

When two atoms of an element with electrons having the same spin approach each other for bonding,which of the following phenomena occurs?

What is the formal charge on the carbon atom in the following Lewis structure?

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