Given below are two statements : Statement I : The higher oxidation states are more stable down the group among transition elements unlike p-block elements. Statement II : Copper can not liberate hydr

Question

Given below are two statements : Statement I : The higher oxidation states are more stable down the group among transition elements unlike p-block elements. Statement II : Copper can not liberate hydrogen from weak acids. In the light of the above statements, choose the correct answer from the options given below :

(A) Both Statement I and Statement II are false
(B) Statement I is false but Statement II is true
(C) Both Statement I and Statement II are true
(D) Statement I is true but Statement II is false

Prashant Kotian · Accepted Answer

Correct answer: C. On moving down the group in transition elements, stability of higher oxidation state increases, due to increase in effective nuclear charge.   o Cu /Cu E  0.34 V    o H /H E  = 0  SRP : Cu2+ > H+ Cu can't liberate hydrogen gas from weak acid.

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