A molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor A molecule or ion that binds to this hydrogen is a hydrogen bond acceptor. Specify the hydrogen bonding behavior of the 4 species below by selecting: donor for species that act as donors only acceptor for species that act as acceptors only both for species that act as both donors and acceptors neither for species that act neither as donors nor as acceptors. Hydrogen bonding behavior SiH3 ??? Hydrogen bonding behavior O: HN Hydrogen bonding behavior Hydrogen bonding behavior CH3 Solution The species which acts as a hydrogen acceptor must have a lone pair to attract the electron deficient H + ion. The species which acts as a hydrogen donor must be more electronegative than hydrogen so that bonding electrons are retained with the species and electron deficient H + ion is released. In the question, 1st species : Hydrogen bond behavior neither (no lone pair of electrons) 2nd species: Hydrogen bond behavior neither (no lone pair of electrons) 3rd species: Hydrogen bond behavior both ( Nitrogen is both acceptor & donor and oxygen is only acceptor) 4th species: Hydrogen bond behavior neither (no lone pair of electrons) .

1. A molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor A
molecule or ion that binds to this hydrogen is a hydrogen bond acceptor. Specify the hydrogen
bonding behavior of the 4 species below by selecting: donor for species that act as donors only
acceptor for species that act as acceptors only both for species that act as both donors and
acceptors neither for species that act neither as donors nor as acceptors. Hydrogen bonding
behavior SiH3 ??? Hydrogen bonding behavior O: HN Hydrogen bonding behavior Hydrogen
bonding behavior CH3
Solution
The species which acts as a hydrogen acceptor must have a lone pair to attract the electron
deficient H +
ion.
The species which acts as a hydrogen donor must be more electronegative than hydrogen so that
bonding electrons are retained with the species and electron deficient H +
ion is released.
In the question,
1st species : Hydrogen bond behavior neither (no lone pair of electrons)
2nd species: Hydrogen bond behavior neither (no lone pair of electrons)
3rd species: Hydrogen bond behavior both ( Nitrogen is both acceptor & donor and oxygen is
only acceptor)
4th species: Hydrogen bond behavior neither (no lone pair of electrons)