Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
DifficultThe electronic configurations of four elements are:
$I. [Xe] \, 6s^1$
$II. [Xe] \, 4f^{14} \, 5d^1 \, 6s^2$
$III. [Ar] \, 4s^2 \, 4p^5$
$IV. [Ar] \, 3d^7 \, 4s^2$
Select the incorrect statement about these elements.
$I. [Xe] \, 6s^1$
$II. [Xe] \, 4f^{14} \, 5d^1 \, 6s^2$
$III. [Ar] \, 4s^2 \, 4p^5$
$IV. [Ar] \, 3d^7 \, 4s^2$
Select the incorrect statement about these elements.
- A$I$ is a strong reducing agent.
- B$II$ is a $d-$ block element.
- C$III$ has high electron affinity.
- D$IV$ exhibits variable oxidation state.
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Similar Questions
Which of the following represents the correct order of ionization enthalpy?
$(i) Ba < Sr < Ca$
$(ii) S^{2-} < S < S^{2+}$
$(iii) C < O < N$
$(iv) Mg < Al < Si$
$(i) Ba < Sr < Ca$
$(ii) S^{2-} < S < S^{2+}$
$(iii) C < O < N$
$(iv) Mg < Al < Si$
Difficult
View SolutionSelect the option containing the incorrect order of the parameters given.
Difficult
View SolutionMatch the Column $I$ with Column $II$ and select the correct answer using the given codes.
Column $I$ (Element types) Column $II$ (Electronic configuration) $A$. Inert-gas elements $1. (n-1)d^{1-10} ns^{1-2}$ $B$. Transition elements $2. ns^2 np^6$ $C$. Inner-transition elements $3. (n-2)f^{1-14} (n-1)s^2 p^6 d^{0-1} ns^2$
| Column $I$ (Element types) | Column $II$ (Electronic configuration) |
|---|---|
| $A$. Inert-gas elements | $1. (n-1)d^{1-10} ns^{1-2}$ |
| $B$. Transition elements | $2. ns^2 np^6$ |
| $C$. Inner-transition elements | $3. (n-2)f^{1-14} (n-1)s^2 p^6 d^{0-1} ns^2$ |
Difficult
View SolutionWhich of the following statements regarding the block classification of elements with atomic numbers $(Z)$ is correct?
Difficult
View SolutionWhich element among the following is most probable to have the following values?
$\Delta_i H_1 = 419 \ kJ \ mol^{-1}$
$\Delta_i H_2 = 3051 \ kJ \ mol^{-1}$
$\Delta_{eg} H = -48 \ kJ \ mol^{-1}$
$\Delta_i H_1 = 419 \ kJ \ mol^{-1}$
$\Delta_i H_2 = 3051 \ kJ \ mol^{-1}$
$\Delta_{eg} H = -48 \ kJ \ mol^{-1}$
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