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प्रश्न
Assertion (A) : Copper is a non-transition element.
Reason (R) : Copper has completely filled d-orbitals in its ground state.
पर्याय
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.
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उत्तर
(A) is false, but (R) is true.
Explanation:
Copper is a transition metal due to the presence of incompletely filled d-orbital in its common oxidation state Cu+2 (3d9) while in its ground state the electronic configuration of Copper is (3d104s1).
संबंधित प्रश्न
Write down the electronic configuration of Cu+.
Write down the electronic configuration of Th4+.
Write the different oxidation states of manganese.
Which transition metal of 3d series has positive E° (M2+/M) value and why?
Out of Cr3+ and Mn3+, which is a stronger oxidising agent and why?
Electronic configuration of Cu3+ is ____________.
Which of the following compounds is expected to be colored?
Explain the observation, at the end of each period, there is a slight increase in the atomic radius of d-block elements.
Match the properties with the elements of 3d series:
| (i) | lowest enthalpy of atomisation | (p) | Sc |
| (ii) | shows maximum number of oxidation states | (q) | Mn |
| (iii) | transition metal that does not form coloured compounds |
(r) | Zn |
| (s) | Ti |
Write down the electronic configuration of:
\[\ce{CO^2+}\]
