Question

For the system


NH2OH + CH3NH3+ CH3NH2 + NH3OH+



the position of the equilibrium lies to the left. Which is the strongest acid in the system?



a. NH2OH


b. CH3NH3+


c. CH3NH2


* d. NH3OH+


e. NH2OH and CH3NH3+ are equal in acid strength, and are the strongest acids in the system

Answer 1

Answer:

NH3OH⁺ is the strongest acid

Explanation:

NH2OH + CH3NH3⁺ $\leftrightharpoons$ CH3NH2 + NH3OH⁺

Equilibrium favours backward, so NH3OH⁺ is giving H⁺ so  NH3OH⁺

The system lies to the left so the reaction is going in backward direction.

So CH3NH2 reacts with NH3OH⁺ to give NH2OH it implies that the H+ is transferred from NH3OH⁺ to CH3NH2, so here the strongest acid is NH3OH⁺. strongest base will be: CH3NH2.

Thus,  Equilibrium favours backward, so NH3OH⁺ is giving H⁺ so  NH3OH⁺ is the strongest acid

Answer 2

The strongest acid in the system is NH3OH⁺

Strongest acid?

The chemical equation should be like

NH2OH + CH3NH3⁺  CH3NH2 + NH3OH⁺

here Equilibrium favors backward, so NH3OH⁺ is providing H⁺ so  NH3OH⁺

here the system should lies to the left where the reaction should be go in the backward direction.

Thus,  Equilibrium favours backward, so NH3OH⁺ is giving H⁺ so  NH3OH⁺ is the strongest acid.

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