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- rank these from least to most reactive in nucleophilic acyl substitution with a nucleophile I)CH3COOC2H5 II) CH3COO-Na+ III)CH3COCl IV) CH3CONH2Why is this considered an Elimination E2 reaction? C₃H₈O (l) → C3H6 (g) + H2O (l) propan-1-ol → propene + waterRank in terms of reactivity towards the nucleophile. 1=least 4=most
- What is the best reagent for carrying out the reaction shown below?a,b-Unsaturated carbonyl compounds are susceptible to either 1,2 addition or 1,4 (Michael)addition. Give examples of nucleophiles that would favor each case and explain yourreasoningWhat are the relative rates of the following nucleophilic substitution reaction below.
- Illustrate the resonance effect of the methoxy group -OCH3, on the structure of the benzene ring. Draw all the oissuvke resonance forms of methoxybenzene, including the hybrid Based on the structures, explain how the presence of the -OCH3 group affects: (i) the reactivity of the benzene ring towards electrophilic attack (ii) the orientation or point of attack of an incoming electrophilic reagent on the benzene ring.Arrange these compounds in increasing order of reactivity in SN2 nucleophilic substitution?Rank the primary, secondary, tertiary, and aryl halides in terms of reactivity with the nucleophile. Which type of halide react faster by an SN2 reaction? Explain
- Trimethylphosphine is a stronger nucleophile than triphenylphosphine, but it is rarely usedto make ylides. Why is trimethylphosphine unsuitable for making most phosphorus ylides?Alkyl diazonium salts (shown below) are considered "super" leaving groups; a consequence of this is that they tend to be contact explosives What quailities make alkyl diazonium salts such excellent leaving groups?Enolates are formed by deprotonation of an α-carbon hydrogen. Answer the following questions about enolate formation. In the molecule shown, select the α-carbon hydrogen that would be removed to form an enolate when NaOEt is used as a base. Draw the thermodynamic enolate that results for the molecule in Part 1. Draw only the enolate resonance form that includes a formal charge on the α carbon. Be sure to indicate that formal charge as well as any lone pair of electrons in your answer.