Ionization Enthalpy NEET Questions

Inorganic Chemistry - Classification of Elements and Periodicity in Properties

Ionization Enthalpy MCQ Questions


7.
Which noble gas has the highest ionization enthalpy?
A.
Neon
B.
Argon
C.
Krypton
D.
Xenon
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ANSWER :
A. Neon
8.
The second ionization enthalpy is always:
A.
Less than the first
B.
Greater than the first
C.
Equal to the first
D.
Unrelated to the first
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ANSWER :
B. Greater than the first
9.
Which element has a higher first ionization enthalpy?
A.
Aluminum
B.
Magnesium
C.
Silicon
D.
Sodium
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ANSWER :
C. Silicon
10.
The first ionization enthalpy of Be is higher than that of B because:
A.
Be has a higher nuclear charge
B.
Be has a filled s-orbital
C.
B has a half-filled p-orbital
D.
B has a larger atomic radius
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ANSWER :
B. Be has a filled s-orbital
11.
Which of the following sequences correctly represents the order of increasing first ionization enthalpy?
A.
K < Na < Li
B.
Li < Na < K
C.
Na < K < Li
D.
K < Li < Na
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ANSWER :
A. K < Na < Li
12.
Anomalous increase in ionization enthalpy is observed in:
A.
Group 2 elements
B.
Group 16 elements
C.
Group 18 elements
D.
Group 13 elements
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ANSWER :
D. Group 13 elements