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3 years ago

Which of the following describes a covalent bond?

Chemistry

2 answers:

Marizza181 [45]3 years ago

7 0

Answer:

D. It is the sharing of electrons between atoms with an electronegativity difference below 1.7

Covalent bonds share electrons, whereas ionic bonds exchange electrons. Covalent bonds have an electronegativity of 0.0-1.7 (0.0-0.3 is a nonpolar covalent bond and 0.3-1.7 is a polar covalent bond). Ionic bonds are bonds that go beyond the electronegativity of 1.7 to 4.0 (1.7-4.0).

Sonbull [250]3 years ago

5 0

Answer:

D= It is the sharing of electrons between atoms with an electronegativity difference below 1.7

Explanation:

Covalent bond is the sharing of electrons between atoms, the electron pair is also known a shared pair. Covalent bond is also known as chemical bond or a molecular bond.

Electronegativity of covalent bonds is below than 1.7, because if the electronegativity is more than 1.7 the bond will be ionic and an ionic bond donates electron to the other which is participating in bond formation. The electronegativity between 0.4 to 1.7, the bond will be polar covalent and the electronegativity is less than 0.4, the bond will be non polar covalent bond.

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3 years ago

Which option is true about the effect of polarity on solubility?

Alex777 [14]

Explanation:

It is known that like dissolves like. Therefore, polar solutes are soluble in polar solvents.

For example, salt is a polar compound and water is a polar solvent. Therefore, salt will dissolve in water.

On the other hand, oil is an inorganic solvent and hence, it is unable to dissolve any polar solute.

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Polar solutes dissolve better in water than in oil.

Polar solutes have the greatest solubility in polar solvents.

Hope this helps!

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