04. Ionization Energy
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NEET DIGITAL LIBRARY
Classification of Elements and Periodicity in Properties

89610 Assertion: Second ionization enthalpy will be higher than the first ionization enthalpy.
Reason: Ionization enthalpy is quantitative measure of the tendency of an element to lose electron.

1 If both Assertion and Reason are correct and the Reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
3 If Assertion is correct but Reason is incorrect.
4 If both the Assertion and Reason are incorrect.
2018
Classification of Elements and Periodicity in Properties

89624 The energy required to excite the electron in the atom from $n=1$ to $n=2$, when the ionization enthalpy of hydrogen atom is $1.312 \times$ $10^6 \mathrm{~J} / \mathrm{mole}$ will be (in the unit of $10^5$ ).

1 8.53
2 7.51
3 8.92
4 9.86
COMEDK 2014
Classification of Elements and Periodicity in Properties

89622 For one of the element various successive ionisation enthalpies (in $\mathbf{k J} \mathrm{mol}^{-1}$ ) are given below.
| IE | 1st | 2nd | 3 rd | 4th | 5th |
|---|---|---|---|---|---|
| 577.5 | 1810 | 2750 | 11,580 | 14,820 |
|
The element is

1 $\mathrm{Si}$
2 $\mathrm{P}$
3 $\mathrm{Al}$
4 $\mathrm{Mg}$
Karnataka-CET-2015
Classification of Elements and Periodicity in Properties

89639 The correct decreasing order of first ionisation enthalpies of five elements of the second period is

1 $\mathrm{Be}>\mathrm{B}>\mathrm{C}>\mathrm{N}>\mathrm{F}$
2 $\mathrm{N}>\mathrm{F}>\mathrm{C}>\mathrm{B}>$ Be
3 F $>\mathrm{N}>\mathrm{C}>\mathrm{Be}>$ B
4 $\mathrm{N}>\mathrm{F}>$ B $>$ C $>$ Be
5 F $>$ C $>\mathrm{N}>\mathrm{B}>\mathrm{Be}$
Kerala-CEE-2011
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Classification of Elements and Periodicity in Properties

89610 Assertion: Second ionization enthalpy will be higher than the first ionization enthalpy.
Reason: Ionization enthalpy is quantitative measure of the tendency of an element to lose electron.

1 If both Assertion and Reason are correct and the Reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
3 If Assertion is correct but Reason is incorrect.
4 If both the Assertion and Reason are incorrect.
2018
Classification of Elements and Periodicity in Properties

89624 The energy required to excite the electron in the atom from $n=1$ to $n=2$, when the ionization enthalpy of hydrogen atom is $1.312 \times$ $10^6 \mathrm{~J} / \mathrm{mole}$ will be (in the unit of $10^5$ ).

1 8.53
2 7.51
3 8.92
4 9.86
COMEDK 2014
Classification of Elements and Periodicity in Properties

89622 For one of the element various successive ionisation enthalpies (in $\mathbf{k J} \mathrm{mol}^{-1}$ ) are given below.
| IE | 1st | 2nd | 3 rd | 4th | 5th |
|---|---|---|---|---|---|
| 577.5 | 1810 | 2750 | 11,580 | 14,820 |
|
The element is

1 $\mathrm{Si}$
2 $\mathrm{P}$
3 $\mathrm{Al}$
4 $\mathrm{Mg}$
Karnataka-CET-2015
Classification of Elements and Periodicity in Properties

89639 The correct decreasing order of first ionisation enthalpies of five elements of the second period is

1 $\mathrm{Be}>\mathrm{B}>\mathrm{C}>\mathrm{N}>\mathrm{F}$
2 $\mathrm{N}>\mathrm{F}>\mathrm{C}>\mathrm{B}>$ Be
3 F $>\mathrm{N}>\mathrm{C}>\mathrm{Be}>$ B
4 $\mathrm{N}>\mathrm{F}>$ B $>$ C $>$ Be
5 F $>$ C $>\mathrm{N}>\mathrm{B}>\mathrm{Be}$
Kerala-CEE-2011
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Classification of Elements and Periodicity in Properties

89610 Assertion: Second ionization enthalpy will be higher than the first ionization enthalpy.
Reason: Ionization enthalpy is quantitative measure of the tendency of an element to lose electron.

1 If both Assertion and Reason are correct and the Reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
3 If Assertion is correct but Reason is incorrect.
4 If both the Assertion and Reason are incorrect.
2018
Classification of Elements and Periodicity in Properties

89624 The energy required to excite the electron in the atom from $n=1$ to $n=2$, when the ionization enthalpy of hydrogen atom is $1.312 \times$ $10^6 \mathrm{~J} / \mathrm{mole}$ will be (in the unit of $10^5$ ).

1 8.53
2 7.51
3 8.92
4 9.86
COMEDK 2014
Classification of Elements and Periodicity in Properties

89622 For one of the element various successive ionisation enthalpies (in $\mathbf{k J} \mathrm{mol}^{-1}$ ) are given below.
| IE | 1st | 2nd | 3 rd | 4th | 5th |
|---|---|---|---|---|---|
| 577.5 | 1810 | 2750 | 11,580 | 14,820 |
|
The element is

1 $\mathrm{Si}$
2 $\mathrm{P}$
3 $\mathrm{Al}$
4 $\mathrm{Mg}$
Karnataka-CET-2015
Classification of Elements and Periodicity in Properties

89639 The correct decreasing order of first ionisation enthalpies of five elements of the second period is

1 $\mathrm{Be}>\mathrm{B}>\mathrm{C}>\mathrm{N}>\mathrm{F}$
2 $\mathrm{N}>\mathrm{F}>\mathrm{C}>\mathrm{B}>$ Be
3 F $>\mathrm{N}>\mathrm{C}>\mathrm{Be}>$ B
4 $\mathrm{N}>\mathrm{F}>$ B $>$ C $>$ Be
5 F $>$ C $>\mathrm{N}>\mathrm{B}>\mathrm{Be}$
Kerala-CEE-2011
NEET DIGITAL LIBRARY
Classification of Elements and Periodicity in Properties

89610 Assertion: Second ionization enthalpy will be higher than the first ionization enthalpy.
Reason: Ionization enthalpy is quantitative measure of the tendency of an element to lose electron.

1 If both Assertion and Reason are correct and the Reason is the correct explanation of Assertion.
2 If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
3 If Assertion is correct but Reason is incorrect.
4 If both the Assertion and Reason are incorrect.
2018
Classification of Elements and Periodicity in Properties

89624 The energy required to excite the electron in the atom from $n=1$ to $n=2$, when the ionization enthalpy of hydrogen atom is $1.312 \times$ $10^6 \mathrm{~J} / \mathrm{mole}$ will be (in the unit of $10^5$ ).

1 8.53
2 7.51
3 8.92
4 9.86
COMEDK 2014
Classification of Elements and Periodicity in Properties

89622 For one of the element various successive ionisation enthalpies (in $\mathbf{k J} \mathrm{mol}^{-1}$ ) are given below.
| IE | 1st | 2nd | 3 rd | 4th | 5th |
|---|---|---|---|---|---|
| 577.5 | 1810 | 2750 | 11,580 | 14,820 |
|
The element is

1 $\mathrm{Si}$
2 $\mathrm{P}$
3 $\mathrm{Al}$
4 $\mathrm{Mg}$
Karnataka-CET-2015
Classification of Elements and Periodicity in Properties

89639 The correct decreasing order of first ionisation enthalpies of five elements of the second period is

1 $\mathrm{Be}>\mathrm{B}>\mathrm{C}>\mathrm{N}>\mathrm{F}$
2 $\mathrm{N}>\mathrm{F}>\mathrm{C}>\mathrm{B}>$ Be
3 F $>\mathrm{N}>\mathrm{C}>\mathrm{Be}>$ B
4 $\mathrm{N}>\mathrm{F}>$ B $>$ C $>$ Be
5 F $>$ C $>\mathrm{N}>\mathrm{B}>\mathrm{Be}$
Kerala-CEE-2011
Join With Us for More Updates