Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
MediumIn which of the following arrangements is the order $NOT$ according to the property indicated against it?
- A$A$. $Al^{3+} < Mg^{2+} < Na^{+} < F^{-}$ : Increasing ionic size
- B$B$. $B < C < N < O$ : Increasing first ionization enthalpy
- C$C$. $I < Br < F < Cl$ : Increasing electron gain enthalpy (with negative sign)
- D$D$. $Li < Na < K < Rb$ : Increasing metallic radius
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Similar Questions
Observe the following statements:
$I$. The physical and chemical properties of elements are periodic functions of their electronic configuration.
$II$. Electronegativity of fluorine is less than the electronegativity of chlorine.
$III$. Electropositive nature decreases from top to bottom in a group.
The correct answer is:
$I$. The physical and chemical properties of elements are periodic functions of their electronic configuration.
$II$. Electronegativity of fluorine is less than the electronegativity of chlorine.
$III$. Electropositive nature decreases from top to bottom in a group.
The correct answer is:
Choose the correct statement$(s)$.
Medium
View SolutionConsider the following four elements which are represented according to the long form of the periodic table. Here $W, Y$ and $Z$ are left,up and right elements with respect to the element $X$. $Y$ belongs to the $16^{th}$ group and $2^{nd}$ period. Then,according to the given information,identify the incorrect statement regarding the given elements.
Difficult
View SolutionMatch the following columns:
Column-$I$ Column-$II$ $A$. Ionisation potential $P$. $O < F < N$ $B$. Electronegativity $Q$. $N < O < F$ $C$. $Z_{eff}$ $R$. $O < N < F$ $D$. Electron affinity $S$. $N < C < O$
| Column-$I$ | Column-$II$ |
| $A$. Ionisation potential | $P$. $O < F < N$ |
| $B$. Electronegativity | $Q$. $N < O < F$ |
| $C$. $Z_{eff}$ | $R$. $O < N < F$ |
| $D$. Electron affinity | $S$. $N < C < O$ |
Which of the following statement$(s)$ is/are incorrect?
Difficult
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