Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
DifficultWhich of the following statements is/are wrong?
- Avan der Waals' radius of iodine is more than its covalent radius
- BAll isoelectronic ions belong to same period of the periodic table
- C$I.E._1$ of $N$ is higher than that of $O$ while $I.E._2$ of $O$ is higher than that of $N$
- DThe electron affinity of $N$ is almost zero while that of $P$ is $74.3 \ kJ \ mol^{-1}$
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Similar Questions
The 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.
Difficult
View SolutionMatch the column-$I$ with column-$II$ $A. S \rightarrow S^{-}$ $P. \text{Endothermic process}$ $B. N^{-} \rightarrow N$ $Q. \text{Exothermic process}$ $C. O^{-} \rightarrow O^{2-}$ $R. \text{Inert gas configuration in product}$ $D. P \rightarrow P^{-}$ $S. \text{Half filled configuration in product}$
Correct match is $:-$
| $A. S \rightarrow S^{-}$ | $P. \text{Endothermic process}$ |
| $B. N^{-} \rightarrow N$ | $Q. \text{Exothermic process}$ |
| $C. O^{-} \rightarrow O^{2-}$ | $R. \text{Inert gas configuration in product}$ |
| $D. P \rightarrow P^{-}$ | $S. \text{Half filled configuration in product}$ |
Medium
View SolutionMaximum enthalpy change is associated with which of the following reactions?
In which of the following options does the order of arrangement not agree with the variation of property indicated against it?
Which of the following statements is incorrect?
Medium
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