1.

The decreasing basic order of the following is: i. F^(o-), ii. Cl^(o-), iii. Br^(o-), Iv. I^(o-)

Answer»

`(i) gt (II) gt (iii) gt (iv)`
`(iv) gt (iii) gt (ii) gt (i)`
`(ii) gt (i) gt (iii) gt (iv)`
`(ii) gt (i) gt (iv) gt (iii)`

Solution :Stronger the acid, weaker is its `C_(B)`.
Acidic: `Hl gt HBr gt HCl gt HF`
Basic: `I^(o-) LT Br lt Cl^(o-() lt F^(o_)`


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