1.Based on the reaction of halide ions (NaI,NaBr,NaCl) with NaNO2 rank the three

Question

1.Based on the reaction of halide ions (NaI,NaBr,NaCl) with NaNO2 rank the three halide ions in order of decreasing reducing agent strength. Use > to indicate greater strength and = to mean equall strength.

2.Based on the reaction of halide ions (NaI,NaBr,NaCl) with KMnO4 rank the three halide ions in order of decreasing reducing agent strength. Use > to indicate greater strength and = to mean equall strength.

...Based on answers to Questions 1 and 2, rank the three halide ions in decreasing order of reducing strength:

As a result, rank the relative reactivity of the three halogens from most to least reactive:

Explanation / Answer

1. NaI > NaBr > NaCl

2. NaCl > NaBr > NaI

Decreasing order of reducing strength -

I-  > Br-  > Cl-

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