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3) In an acid-base reaction, what is transferred from the acid to the base?


3) In an acid-base reaction, what is transferred from the acid to the base? 

A) an oxidizing agent 

B) an oxygen atom 

C) an OH-ion 

D) an electron 

E) a hydrogen cation, H+ 


4) Classify the following reaction: Ce4+ (aq) + Fe2+(aq) → Ce3+ (aq) + Fe3+ (aq) 

A) oxidation - reduction 

B) acid - base 

C) decomposition 

D) precipitation 

E) combustion

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Answer #1

3)An acid has H+
So, acid transfers this H+ to the base
Answer: E

4)
Oxidation state of Ce is changing from +4 to +3
So, Ce is being reduced.

Oxidation state of Fe is changing from +2 to +3
So, Fe is being oxidised.

Since both reduction and oxidation are taking place, this is a redox reaction.
Answer: A

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