Due ASAP please Help!!! Need all 4

Question 25 (2 points) Analyze below and select the statement that best describes the number of signals and the multiplicity of those signals for the corresponding 'H-NMR spectrum. 4 signals: one doublet, one septet, two quartets 4 signals: one doublet, one septet, one quartet, one triplet 3 signals: one singlet, one quartet, one triplet 3 signals: one singlet, two triplets Question 4 (2 points) Identity all of the molecules below for which signals would only appear between 0. 4.5 ppm. G NH 08 Question 5 (2 points) What would be integral ratio for the signals produced by the molecule's 'H-NMR spectrum? d Oa:b:c:d = 9:1:2:3 Oa:c:d = 9:2:3 Oa:bc:d=6:1:9:1 Oa:b:c=6:1:9 Identity the groups that have hydroxy units: 2 Alcohols Carboxylic Acids Ethers Amide