Which of the following aryl halides is the most reactive towards nucleophilic substitution. There are two types of mechanism for alkyl halides SN1 and SN2. Characteristics Related Videos View All Which of the following compounds does not undergo nucleophilic substitution reactions. . Sensitive to the steric effect. Which of the following cant undergo nucleophilic substitution reactions. We review their content and use your feedback to keep the quality high. Methyl halides are more reactive a primary compound next reactive secondary halides may react but tertiary halides are not reactive. One in which the nucleophilic attack and the. NaCN d Illustrate the mechanism for the reaction between propanone and hydrogen cyanide. If β -hydrogen hydrogen at ortho position are absent then reaction will not take place. Q 1 c Show the mechanism for the nucleophilic substitution reaction that occurs when 2-bromopropane u...