The order of increasing C-OC−O bond length is:
a < c < b < e < d
a < c < b < e < d
Therefore, the order of increasing bond strength is:
d < e < b < c < a
d< e < b < c < a
<h3>What is bond length?</h3>
The distance between the centers of two atoms that are covalently connected is known as the bond length. The number of bound electrons determines the bond's length (the bond order). The greater the attraction between the two atoms and the shorter the bond length are, the higher the bond order.
The average distance between the nuclei of two bound atoms in a molecule is referred to as bond length or bond distance in molecular geometry. It is a transferrable characteristic of a bond between atoms of fixed kinds that is comparatively independent from the other components of the molecule.
Bond length and bond order are related; the shorter the bond is when more electrons are involved in its production.
To learn more about bond length from the given link:
brainly.com/question/28225709
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with his well-known gold foil experiment in which he demonstrated that the atom has a tiny and heavy nucleus.
Answer : The concentration of 
(g) in parts per million is, 8 ppm
Explanation : Given,
Mass of oxygen gas (solute) = 0.008 g
Mass of water (solvent) = 1000 g
First we have to calculate the mass of solution.
Mass of solution = Mass of solute + Mass of solvent = 0.008 + 1000 = 1000.008 g
Now we have to calculate the concentration of (g) in parts per million.
ppm : It is defined as the mass of solute present in one million 
parts by mass of the solution.
Now put all the given values in this expression, we get
Therefore, the concentration of (g) in parts per million is, 8 ppm
I CANT TRANSLATE IT AND IT WONT LET ME COPY ON MOBILE. I WOULD HELP U IF YOU DIDNT WRITE IT IN ARABIC
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