5. Which of the indicated H-atoms is most acidic? Hg Spz На H.SP

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Chapter1: Chemical Foundations
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bromoac
2-dibromoacetic acid
Explanation:
EWG strength
number of EWGS
proximity of EWGS
CH2 CH2C
vivi CH, CHC
OH
or
OH
2-fluoropropanoic acid
3-fluoropropanoic acid
Orbital hybridization. The hybridization of an atom affects the base strength of an atom, and henc
the acid strength of the conjugate acid.
There are two ways to consider how hybridiza
acidity - electronegativity or stability. If we c
atoms of differing hybridizations, an sp³ carbc
least electronegative, an sp2 carbon is slightly
electronegative, and the sp carbon is more elee
than the sp³ and sp?. The obvious factor is the
character. When we compare the shapes of sp
orbitals, the sp hybridized atom keeps the elec
pKa
HCEC-H
25
HC
EC:
H2C=CH
45
H2C=CH
H3C-CH2
50
H3C CH2
the nucleus, and electrons allowed to be closer to the nucleus will have a stabilizing effect.
5. Which of the indicated H-atoms is most acidic?
HB
spa
lasidro
На
HSP
6. Which base is the strongest?
A
C
7. Rank these from strongest to weakest acid.
CM3
H-C=C
tervancaval
Transcribed Image Text:bromoac 2-dibromoacetic acid Explanation: EWG strength number of EWGS proximity of EWGS CH2 CH2C vivi CH, CHC OH or OH 2-fluoropropanoic acid 3-fluoropropanoic acid Orbital hybridization. The hybridization of an atom affects the base strength of an atom, and henc the acid strength of the conjugate acid. There are two ways to consider how hybridiza acidity - electronegativity or stability. If we c atoms of differing hybridizations, an sp³ carbc least electronegative, an sp2 carbon is slightly electronegative, and the sp carbon is more elee than the sp³ and sp?. The obvious factor is the character. When we compare the shapes of sp orbitals, the sp hybridized atom keeps the elec pKa HCEC-H 25 HC EC: H2C=CH 45 H2C=CH H3C-CH2 50 H3C CH2 the nucleus, and electrons allowed to be closer to the nucleus will have a stabilizing effect. 5. Which of the indicated H-atoms is most acidic? HB spa lasidro На HSP 6. Which base is the strongest? A C 7. Rank these from strongest to weakest acid. CM3 H-C=C tervancaval
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