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KonstantinChe [14]
3 years ago
14

Which of the following has a polar covalent bond? b. Which of the following has a bond closest to the ionic end of the bond spec

trum? CH3NH2 CH3CH3 CH3OH
Chemistry
2 answers:
antiseptic1488 [7]3 years ago
7 0

Answer:

a. CH₃OH.

b. CH₃F

Explanation:

Hello,

b. In this case, the polar covalent bond is in the O-H bond in the CH₃OH as the difference between the oxygen's and hydrogen's electronegativities is:

\Delta E=3.44-2.2=1.24

Which is eligible for a polar covalent bond.

b. However, since CH₃F is not in the list, it is the compound having a bond closest to the ionic end of the bond spectrum since fluorine is highly electronegative, therefore, it creates a dipole moment in the molecule which provide such feature.

Best regards.

Marizza181 [45]3 years ago
5 0

Explanation:

<u>Polar covalent bonding is the type of the chemical bond in which the pair of the electrons is unequally shared between the two atoms.</u> As a result, the atom with higher value of electronegativity acquires a slightly negative charge and the atom with lower value of electronegativity acquires a slightly positive charge.

In the molecule of CH_3NH_2, the bond which is closest to ionic end of bond spectrum is <u>N-H bond</u> because the nitrogen atom is more electronegative than hydrogen and is ionic in nature.

In the molecule of CH_3CH_3, the bond which is closest to ionic end of bond spectrum is <u>no one</u> because there is not much difference between carbon and hydrogen for the bond to be said as ionic.

In the molecule of CH_3OH, the bond which is closest to ionic end of bond spectrum is <u>O-H bond</u> because the oxygen atom is more electronegative than hydrogen and is ionic in nature.

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