Hi Guys,
TBR Passage 1 Question 1 Says.
What bond dissociation energy would you expect for bond between carbon-1 and hydrogen and the only carbon-carbon single bond in H-C(triplebond)C-CH3?
I understand that with the trends in the table given, H-C(sp3 C) is 88, H-C(sp2 C) is 108 so H-C(sp) must be higher than 108.
But doesn't that contradict acidity?
The more s character, the easier it is to break the bond with hydrogen. So shouldn't the bond between an H-C that is sp hybridized be weaker and thus the bond dissociation energy less than an sp2 C and sp3 C?
Or am I comparing two different concepts and I should look at conugate base strength rather than acidic trends here?
Thanks!
TBR Passage 1 Question 1 Says.
What bond dissociation energy would you expect for bond between carbon-1 and hydrogen and the only carbon-carbon single bond in H-C(triplebond)C-CH3?
I understand that with the trends in the table given, H-C(sp3 C) is 88, H-C(sp2 C) is 108 so H-C(sp) must be higher than 108.
But doesn't that contradict acidity?
The more s character, the easier it is to break the bond with hydrogen. So shouldn't the bond between an H-C that is sp hybridized be weaker and thus the bond dissociation energy less than an sp2 C and sp3 C?
Or am I comparing two different concepts and I should look at conugate base strength rather than acidic trends here?
Thanks!