Carbonyl compounds can be protonated on the carbonyl oxygen. Protonation of the carbonyl oxygen gives a species whose positive c
harge is delocalized by resonance. Explain why acetic acid (ethanoic acid) is more readily protonated than acetone (propanone).
1 answer:
Answer:
Full explanation is given below.
Explanation:
Positive charge on carbonyl oxygen atom in protonated acetic acid is delocalized by stronger electron donating resonating effect of lone pair of oxygen atom in adjacent -OH group.
Positive charge on carbonyl oxygen atom in protonated acetone is delocalized by weaker electron donating inductive effect of two adjacent methyl groups.
Higher the delocalization of positive charge, higher will be stability of protonated species. Hence acetic acid is more rapidly protonated.
Resonance structures of protonated acetic acid has been shown below.
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Answer:
0.97 kg, 1.0kg
Explanation:
As you have mentioned in the question, to convert kilo-gram to grams, this conversion is used, 1 kilogram = 1,000 grams
Initially, when one has to convert from one unit to another, there is a lot of confusion. To avoid any such, multiply and divide the number with units to which it has to be converted.
Here,
970 g =
This makes no difference to the number.
970 g =
As, 1 kg= 1,000 g
970 g =
970 g = 0.97 kg
Rounding this off to the nearest tenth of a kilogram.
The tenths place is immediately to the right of the decimal point.
Here, 9 is at the tenth's place. Round the tenth's place up if the digit at hundredth's place is greater than or equal to 5. Since, 7 > 5, up the number at tenth's place.
So, answer is 1.0 kg