Question 47 Which element is most active? a. gold b. hydrogen c. platinum
Question 47 Which element is most active? a. gold b. hydrogen c. platinum
Homework Answers
answer : b. hydrogen
explanation:
in the electrochemical series hydrogen electode potentila = 0.00 V
but gold and plantinum electrode potentails are positive which are below to the hydrogen these are inactive.
note : the elements which are above to the hydrogen are more active and the elements whicha re below to the hydrogen are less reactive in the electrochemical series .
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Question 47 Which element is most active? a. gold b. hydrogen c.
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oxidation state?
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oxidation state?
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QUESTION 1 Determine the oxidation state of the following element Sulfur in thiosulfate ion S2032- a. +4 b.+2 C. +5 d. +3 QUESTION 2 Determine the oxidation of the following species Crin CrCl2 +2 0 0 +1 +3 ОО -2 QUESTION 3 Identify the most active metal from the following: Ba(s), Cr(s), Ni(s) Ba(s) Cr(s) Ba and Cr Cr and Ni
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