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The P Block Elements

Chemistry
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Assertion (A): Oxygen exhibits anomalous behavior. 
Reason (R): Absence of d-orbitals

A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
B
Both Assertion and Reason are true and Reason is not the correct explanation of Assertion
C
Assertion is true but Reason is false
D
Assertion is false but Reason is true
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Anomalous behaviour of oxygen, compared to other VIA group elements is due to:

A
its high electronegativity
B
its small atomic size
C
non availability of d-orbitals
D
all
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Fluorine shows anomalous behavior in VIIA group due to:

A
its small size 
B
high electronegativity
C
absence of d-orbitals
D
All
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According to Coulson the high reactivity of fluorine than other halogens is because of its:

A
high electronegativity
B
lesser internuclear repulsions
C
greater repulsions between non bonding electrons
D
All the above
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