The underlying basis of hydrogen bonding is a) the tendency of an amino group to

ID: 40203 • Letter: T

Question

The underlying basis of hydrogen bonding is

a) the tendency of an amino group to pick up a proton and become positively charged

b) the ability of carbon to form four covalent bonds with hydrogen

c) the unequal sharing of electrons by the strongly electronegative atoms O and N when they form covalent bonds, thus creating charge separation.

d) the ability of an amino group to form a peptide bond with a carboxyl group with the loss of a water molecule

e) the tendency of a carboxyl group to loose a proton and become negatively charged even at pH 5.

all are underlying basis of hydrogen bonding except:

b) ability of carbon to form 4 covalent bonds

d) ability of amino group to form peptide bond with carboxyl and lose water molecule

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