Chem 210 Exam #1 100%Accurate.

For N carbons that are closed shell, uncharged, no multiple bonds, no rings, there are ___________ binding sites - ANSWER2N + 2 Unit of unsaturation = - ANSWERnumber of rings + number of double bonds To find units of unsaturation in a formula: __________________ - ANSWERmax number of hydrogens possible = 2N + 2 subtract hydrogens we have from max number divide by 2 How to create a hydrocarbon equivalent: with monovalents (ex: P): with divalents (ex: O2): with trivalents (ex: O3): - ANSWERmonovalents: add an H for each one divalents: don't add anything, erase them trivalents: subtract an H for each one What is the relationship between pKa and pH? - ANSWERpKa = pH - log [A-]/[HA] Lower pKa/pH = __________ acid - ANSWERstronger How do you find the difference in pH with 2 pKa values? - ANSWERFind the difference between the two pKa values and put it as 10^x Something will be fully protonated 3 units ____________ its pKa and fully deprotonated 3 units ___________ its pKa - ANSWERfully protonated 3 units below fully deprotonated 3 units above What is the hybridization of linear? - ANSWERsp What is the hybridization of trigonal planar? - ANSWERsp2 What is the hybridization of tetrahedral? - ANSWERsp3 Lower pKa = acid or base? - ANSWERAcid The acid is the one that donates/receives the protons - ANSWERdonates s