Question

Can you help me with 15-20?

Answer 1

15)

weakest acid is the one with smallest ka

ka is smallest for a

Answer: a

16)

there are 5 carbon. Lets number them 1 to 5 from left to right

carbon 1 forms 4 sigma bonds. So, it is SP3

carbon 2 forms 3 sigma bonds. So, it is SP2

carbon 3 forms 3 sigma bonds(one sigma bond with hydrogen is not shown is figure ). So, it is SP2

carbon 4 forms 3(one sigma bond with hydrogen is not shown is figure ). sigma bonds. So, it is SP2

carbon 5 forms 2 sigma bonds. So, it is SP

Answer: 1,3,1

Answer: c

I am allowed to answer only 1 question at a time