The valence shell electronic configuration of $Cr$ and $Cu$ atoms, respectively, are
- A$3 \ d^4 4 \ s^2 ; 3 \ d^{10} 4 \ s^1$
- B$3 \ d^5 4 \ s^1 ; 3 \ d^{10} 4 \ s^1$
- C$3 \ d^5 4 \ s^1 ; 3 \ d^9 4 \ s^2$
- D$3 \ d^4 4 \ s^2 ; 3 \ d^9 4 \ s^2$
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Given below are two statements:
Statement-$I$: The first ionization enthalpy of $Cr$ is lower than that of $Mn$.
Statement-$II$: The second and third ionization enthalpies of $Cr$ are higher than those of $Mn$.
In the light of the above statements, choose the correct answer from the options given below:
Statement-$I$: The first ionization enthalpy of $Cr$ is lower than that of $Mn$.
Statement-$II$: The second and third ionization enthalpies of $Cr$ are higher than those of $Mn$.
In the light of the above statements, choose the correct answer from the options given below:
DifficultJEE MAIN 2026
View SolutionWhat is the value of the spin-only magnetic moment of $Ni$ $(Z=28)$ in the $+2$ oxidation state (in $BM$)?
Given below are two statements $:$
Statement $I : CrO_3$ is a stronger oxidizing agent than $MoO_3$
Statement $II : Cr(VI)$ is more stable than $Mo(VI)$
In the light of the above statements,choose the correct answer from the options given below.
Statement $I : CrO_3$ is a stronger oxidizing agent than $MoO_3$
Statement $II : Cr(VI)$ is more stable than $Mo(VI)$
In the light of the above statements,choose the correct answer from the options given below.
Which of the following metal ions are colorless?
Medium
View SolutionWhich ion is not coloured?
Easy
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