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Mrac [35]
3 years ago
12

Which contributes to the polarity of a water molecule? A. a linear shape along with strong covalent bonds B. deflection of hydro

gen atoms by lone pairs of electrons C. no difference in the electronegativity of oxygen and hydrogen D. hydrogen bond formation between water molecules
Chemistry
2 answers:
vodomira [7]3 years ago
4 0

Here we have to choose the correct statement behind the polarity of the water molecule.

The polarity of the water molecules is due to the B. deflection of the hydrogen atoms by the lone pair of electrons.

The bonding of the water (H₂O) molecule is shown in the figure. There remain two lone pair of electrons on the oxygen atom. The oxygen atom has 6 valence electrons among which 2 are involved to make the covalent bond with two hydrogen atom.

The lone pair if electrons exerted lone pair-bond pair repulsion and H₂O has a bent structure as shown in the figure. In this way the dipole moment generated by oxygen and hydrogen cannot be nullified and it has a permanent dipole moment which leads the molecule to be polar in nature.

The water molecule is not linear in nature it has bent structure.

There is a huge difference of electronegativity between the hydrogen (H) and oxygen (O) atom. The oxygen atom is highly electronegative whereas the hydrogen atom is electropositive in nature.

The hydrogen bond formation is due to the fact the molecule is polar in nature.

lozanna [386]3 years ago
4 0

Answer:

<h3>The answer is B</h3>

Explanation:

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Explanation:

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What is the molarity of a solution containing 9.0 moles of solute in 2500 ml of a solution​
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How does hydrogen bonding affect water molecules
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4 0
3 years ago
14.Sorbitol is used in sugar free gums as a sweetener. After analysis, a sample of
evablogger [386]
<h3>Answer:</h3>

C6H12O6

Explanation:

To find empirical formular you write out the element

Carbon Hydrogen Oxygen

3.96 769 5.28

then u althrough divide by their atomic numbers

3.96÷ 12 769÷1 5.28÷16

=0.33 =769 =0.33

also divide althrough by the lowest number

the lowest number is 0.33 so we use it to divide

0.33÷0.33. 769÷0.33. 0.33÷0.33

= 1 = 2 = 1

empirical formular= CH2O

To find the Molecular formular

Molecular number = molar mass

(CH2O)n = 182

(12+1×2+16)n = 182

30n = 182

n = 6

therefore the Molecular formular is C6H12O6

3 0
2 years ago
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