Arrange the following in the decreasing order of basic strength

1.	Arrange the following in the decreasing order of basic strength
Answer» `II gt I gt III gt II` `I gt II gt III gt IV` `IV gt III gt II gt I` `II gt III gt I gt IV` Solution :Generally basic strength increases by E.D.G.(electron DONATING group) & it DEPEND on l-effect (depends on DISTANCE) From the above data the order of strength of basicity is `IV gt III gt II gt I`

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