Question

Choose all that apply

	I.	NH2- ia a good leaving group because it reacts readily with water.
	II.	Stable anions are the best leaving groups, but are only important in SN2 reactions
	III.	Stable anions are the best leaving groups and are important in both SN1 and SN2 reactions as the leaving group develops a partial negative charge in the transition state of both mechanisms.
	IV.	Iodide anion is the best leaving group followed by bromide anion and chloride anion in that order. Iodide anion is the largest anion and the most stable.

Answer 1

solution iv) Iodine anion is the best leaving group followed by bromide anion and chloride anion in that order. godide anion is the largest anion and the most Stable. - Because stable anions are the best leaving groups. Point iv) is right statement while other (i), (ii) and (iii) are wrong, i Nhí is poor leaving group. " stable onions are the best leaving groups important in SNI and SN² geactoons. lii) transition state form in Sn2 mechani- sm and an intermediate cation is formed in sNl mechanism. Because.