Consider the following intermediate involved in the mechanism of an organic reaction that we covered in CHM 2211. What is the structural formula of the major organic product for this reaction?

Consider the stepwise mechanism for the following transformation. Select the structural formula for the organic product of the first elementary step in the mechanism

Thionyl chloride (SOCl2) is used to convert a carboxylic acid into _______________.

Consider the following multistep synthesis. What experimental conditions are needed for step IV ?

Select the structural formula that contributes most to the resonance hybrid.  

Select the structural formulas that are resonance structures contributing to a resonance hybrid.

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One disadvantage of sexual reproduction is the time and energy required to find a mate.

Which organism is often used as an indicator of environmental change in geology?

Which of the following is an effect of ocean acidification caused by increased CO2 levels?