Periodic Trends in Chemical Properties of Elements
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313345 Which of the following atoms has the highest first ionisation energy?

1 K
2 Sc
3 Rb
4 Na
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313346 Assertion :
Helium has the highest value of ionisation energy among all the elements known.
Reason :
Helium has the highest value of electron affinity among all the elements known.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313347 Assertion :
\(\mathrm{E}^{\circ}\) for \(\mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}\) is more positive than \(\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}\).
Reason :
The third ionisation energy of \(\mathrm{Mn}\) is larger than that of \(\mathrm{Cr}\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313348 Which is the correct order of second ionisation potential of C, N, O and F in the following?

1 O >N > F > C
2 O > F > N > C
3 F > O > N > C
4 C > N > O > F
JEE - 2013
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313345 Which of the following atoms has the highest first ionisation energy?

1 K
2 Sc
3 Rb
4 Na
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313346 Assertion :
Helium has the highest value of ionisation energy among all the elements known.
Reason :
Helium has the highest value of electron affinity among all the elements known.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313347 Assertion :
\(\mathrm{E}^{\circ}\) for \(\mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}\) is more positive than \(\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}\).
Reason :
The third ionisation energy of \(\mathrm{Mn}\) is larger than that of \(\mathrm{Cr}\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313348 Which is the correct order of second ionisation potential of C, N, O and F in the following?

1 O >N > F > C
2 O > F > N > C
3 F > O > N > C
4 C > N > O > F
JEE - 2013
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313345 Which of the following atoms has the highest first ionisation energy?

1 K
2 Sc
3 Rb
4 Na
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313346 Assertion :
Helium has the highest value of ionisation energy among all the elements known.
Reason :
Helium has the highest value of electron affinity among all the elements known.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313347 Assertion :
\(\mathrm{E}^{\circ}\) for \(\mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}\) is more positive than \(\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}\).
Reason :
The third ionisation energy of \(\mathrm{Mn}\) is larger than that of \(\mathrm{Cr}\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313348 Which is the correct order of second ionisation potential of C, N, O and F in the following?

1 O >N > F > C
2 O > F > N > C
3 F > O > N > C
4 C > N > O > F
JEE - 2013
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313345 Which of the following atoms has the highest first ionisation energy?

1 K
2 Sc
3 Rb
4 Na
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313346 Assertion :
Helium has the highest value of ionisation energy among all the elements known.
Reason :
Helium has the highest value of electron affinity among all the elements known.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313347 Assertion :
\(\mathrm{E}^{\circ}\) for \(\mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}\) is more positive than \(\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}\).
Reason :
The third ionisation energy of \(\mathrm{Mn}\) is larger than that of \(\mathrm{Cr}\).

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313348 Which is the correct order of second ionisation potential of C, N, O and F in the following?

1 O >N > F > C
2 O > F > N > C
3 F > O > N > C
4 C > N > O > F
JEE - 2013
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