Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
EasyMatch the following elements,given as hints to their first,second ionization enthalpies and electron gain enthalpies.
List-$I$ List-$II$ $i)$ Most reactive non-metal $A$. $\Delta H_1=419, \Delta H_2=3051, \Delta_{Eg} H=-48$ $ii)$ Most reactive metal $B$. $\Delta H_1=1681, \Delta H_2=3374, \Delta_{Eg} H=-328$ $iii)$ Least reactive element $C$. $\Delta H_1=738, \Delta H_2=1451, \Delta_{Eg} H=-40$ $iv)$ Metal forming binary halide $D$. $\Delta H_1=3272, \Delta H_2=5251, \Delta_{Eg} H=+48$
| List-$I$ | List-$II$ |
| $i)$ Most reactive non-metal | $A$. $\Delta H_1=419, \Delta H_2=3051, \Delta_{Eg} H=-48$ |
| $ii)$ Most reactive metal | $B$. $\Delta H_1=1681, \Delta H_2=3374, \Delta_{Eg} H=-328$ |
| $iii)$ Least reactive element | $C$. $\Delta H_1=738, \Delta H_2=1451, \Delta_{Eg} H=-40$ |
| $iv)$ Metal forming binary halide | $D$. $\Delta H_1=3272, \Delta H_2=5251, \Delta_{Eg} H=+48$ |
- A$i-B, ii-A, iii-D, iv-C$
- B$i-A, ii-B, iii-D, iv-C$
- C$i-B, ii-A, iii-C, iv-D$
- D$i-B, ii-D, iii-A, iv-C$
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Similar Questions
Which of the following pairs shows opposite trends when moving from left to right in a period and from top to bottom in a group?
Easy
View SolutionThe atomic numbers of elements $A, B, C$ and $D$ are $Z-1, Z, Z+1$ and $Z+2$,respectively. If $B$ is a noble gas,choose the correct statements from the following:
$(1)$ $A$ has high electron affinity
$(2)$ $C$ exists in $+2$ oxidation state
$(3)$ $D$ is an alkaline earth metal
$(1)$ $A$ has high electron affinity
$(2)$ $C$ exists in $+2$ oxidation state
$(3)$ $D$ is an alkaline earth metal
Consider the following values of $IE$ $(eV)$ for elements $W$ and $X$:
Element $IE_1$ $IE_2$ $IE_3$ $IE_4$ $W$ $10.5$ $15.5$ $24.9$ $79.8$ $X$ $8$ $14.8$ $78.9$ $105.8$
Other two elements $Y$ and $Z$ have outer electronic configuration $ns^2 np^4$ and $ns^2 np^5$ respectively. According to the given information,which of the following compound$(s)$ is/are not possible?
$(a) W_2Y_3, (b) X_2Y_3, (c) WZ_2, (d) XZ_2$
| Element | $IE_1$ | $IE_2$ | $IE_3$ | $IE_4$ |
| $W$ | $10.5$ | $15.5$ | $24.9$ | $79.8$ |
| $X$ | $8$ | $14.8$ | $78.9$ | $105.8$ |
Other two elements $Y$ and $Z$ have outer electronic configuration $ns^2 np^4$ and $ns^2 np^5$ respectively. According to the given information,which of the following compound$(s)$ is/are not possible?
$(a) W_2Y_3, (b) X_2Y_3, (c) WZ_2, (d) XZ_2$
Difficult
View SolutionWhich of the following statements is/are wrong?
Difficult
View SolutionGiven below are two statements:
Statement $I$ : The correct order of first ionization enthalpy values of $Li, Na, F$ and $Cl$ is $Na < Li < Cl < F$.
Statement $II$ : The correct order of negative electron gain enthalpy values of $Li, Na, F$ and $Cl$ is $Na < Li < F < Cl$.
In the light of the above statements,choose the correct answer from the options given below :
Statement $I$ : The correct order of first ionization enthalpy values of $Li, Na, F$ and $Cl$ is $Na < Li < Cl < F$.
Statement $II$ : The correct order of negative electron gain enthalpy values of $Li, Na, F$ and $Cl$ is $Na < Li < F < Cl$.
In the light of the above statements,choose the correct answer from the options given below :
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