The intrinsic firing rate for a ventricular pacemaker is beats per minute.

The recommended dose of vasopression in ventricular fibrillation is

Starting with toluene, which of the following is the best synthesis of meta-bromobenzoic acid?   

Arrange the following compounds in decreasing (strongest to weakest) order of basicity. Most basic on the left.  p-methylaniline          aniline             p-nitroaniline             p-methoxyaniline            I                             II                      III                                    IV  

Which set of reagents would best accomplish the following transformation? 

Starting with an acid chloride and any other chemical reagent you’ve learned in organic chemistry, which of the following functional groups can be synthesized in three steps or less?

The substance formed on addition of water to an aldehyde or ketone is called a hydrate or a/an: a. vicinal diol b. geminal diol c. acetal d. ketal

Choose the BEST reagents for carrying out each of the following conversions. a. 1. PhMgBr, ether   2. H3O+ b. 1. PhCH2MgBr, ether   2. H3O+ c. (C6H5)3P=CHC6H5, THF d. Li(C6H5)2Cu, ether

Which of the following is not a valid resonance form of the intermediate species in the reaction shown below?       

The major type of organic compound that results from treating 4-phenylbutene according to the following reaction sequence is: 1. BH3/THF 2.  OH-/H2O2 3.  PCC