JEE Main20249 Apr 2024Evening ShiftChemistryd and f Block ElementsActual
Give 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 :
Options
- ABoth Statement I and Statement II are true
- BStatement I is false but Statement II is true
- CBoth Statement I and Statement II are false
- DStatement I is true but Statement II is false
Correct answer
A. Both Statement I and Statement II are true
Step-by-step solution
On moving down the group in transition elements, stability of higher oxidation state increases, due to increase in effective nuclear charge. aligned & E _ Cu ⁺² / Cu ^ =0.34 ~V & E _ H ⁺ / H ₂ ^ =0 & SRP : Cu ²⁺> H ⁺ aligned Cu can't liberate hydrogen gas from weak acid.