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Biochem 212 (Exam #1) QUESTIONS WITH ANSWERS, Exams of Biochemistry

Biochem 212 (Exam #1) QUESTIONS WITH ANSWERS

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2024/2025

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Biochem |\212 |\(Exam |\#1) |\QUESTIONS |\WITH |\
ANSWERS
Linear |\- |\CORRECT |\ANSWERS |\✔✔2 |\bonds
Trigonal |\Planar |\- |\CORRECT |\ANSWERS |\✔✔3 |\bonds
Bent |\- |\CORRECT |\ANSWERS |\✔✔2 |\bonds |\and |\1 |\lone |\pair, |\or |\2 |\bonds |\
and |\2 |\lone |\pairs
Tetrahedral |\- |\CORRECT |\ANSWERS |\✔✔4 |\bonds
Pyramidal |\- |\CORRECT |\ANSWERS |\✔✔3 |\bonds |\and |\1 |\lone |\pair
IMF |\strength |\of |\alkane, |\aldehyde, |\ketones, |\and |\alcohol |\(greatest |\to |\
lowest) |\- |\CORRECT |\ANSWERS |\✔✔alcohol, |\aldehyde, |\ketone, |\alkane
Strong |\Acids |\- |\CORRECT |\ANSWERS |\✔✔HCl, |\HBr, |\HNO3, |\H2SO4
Are |\acids |\electrolytes? |\- |\CORRECT |\ANSWERS |\✔✔weak |\electrolytes
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Biochem |\ 212 |(Exam |#1) |\QUESTIONS |\WITH |\

ANSWERS

Linear |- |\CORRECT |\ANSWERS |\✔✔ 2 |\bonds Trigonal |\Planar |- |\CORRECT |\ANSWERS |\✔✔ 3 |\bonds Bent |- |\CORRECT |\ANSWERS |\✔✔ 2 |\bonds |\and |\ 1 |\lone |\pair, |\or |\ 2 |\bonds |
and |\ 2 |\lone |\pairs Tetrahedral |- |\CORRECT |\ANSWERS |\✔✔ 4 |\bonds Pyramidal |- |\CORRECT |\ANSWERS |\✔✔ 3 |\bonds |\and |\ 1 |\lone |\pair IMF |\strength |\of |\alkane, |\aldehyde, |\ketones, |\and |\alcohol |(greatest |\to |
lowest) |- |\CORRECT |\ANSWERS |\✔✔alcohol, |\aldehyde, |\ketone, |\alkane Strong |\Acids |- |\CORRECT |\ANSWERS |\✔✔HCl, |\HBr, |\HNO3, |\H2SO Are |\acids |\electrolytes? |- |\CORRECT |\ANSWERS |\✔✔weak |\electrolytes

Are |\polar |\covalent |\bonds |\electrolytes? |- |\CORRECT |\ANSWERS |\✔✔No pH |< |\pKa |- |\CORRECT |\ANSWERS |\✔✔mostly |\acid |(protonated) pH |> |\pKa |- |\CORRECT |\ANSWERS |\✔✔mostly |\conj. |\base |(deprotonated) Alkene |+ |\H2 |---> |- |\CORRECT |\ANSWERS |\✔✔alkane alkene |+ |\H2O |----> |- |\CORRECT |\ANSWERS |\✔✔alcohol Are |\alcohols |\soluble |\in |\water? |- |\CORRECT |\ANSWERS |\✔✔yes Dehydration |\of |\an |\alcohol |\produces |\an... |- |\CORRECT |\ANSWERS |
✔✔alkene Oxidation |\of |\an |\alcohol |\produces |\a.... |- |\CORRECT |\ANSWERS |
✔✔carbonyl |\group oxidation |\of |\primary |\alcohol |\produces |\an... |- |\CORRECT |\ANSWERS |
✔✔aldehyde oxidation |\of |\secondary |\alcohol |\produces |\a... |- |\CORRECT |\ANSWERS |
✔✔ketone

Phosphoanhydride |- |\CORRECT |\ANSWERS |\✔✔P-O-P |\bond |(formed |
from |\two |\phosphates |\with |\elimination |\of |\water) hydrogen |\bond |\acceptor |- |\CORRECT |\ANSWERS |\✔✔contains |\O |\or |\N |
with |\lone |\pairs hydrogen |\bond |\donor |- |\CORRECT |\ANSWERS |\✔✔has |\an |\OH |\or |\NH Benedict's |\Reagent |- |\CORRECT |\ANSWERS |\✔✔ketone Tollens' |\reagent |- |\CORRECT |\ANSWERS |\✔✔aldehyde K2Cr2O7 |- |\CORRECT |\ANSWERS |\✔✔primary |\alcohol