EASY
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Which electron configuration represent elements in the p-block?

Important Questions on The p-Block Elements

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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Aluminium is usually found in +3 oxidation state. In contrast, thallium exists in +1 and +3 oxidation states. This is due to:
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Inert pair effect is concerned with
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
The oxide, which is neither acidic nor basic is
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
It is because of the inability of ns2 electrons of the valence shell to participate in bonding that
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
What is inert pair effect?
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
The most stable oxidation state of aluminium is +3 while that of thallium is _____.
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Explain maximum covalency of boron and aluminium.
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements

Bi(V) is a stronger oxidizing agent than Sb(V). Explain.

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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
In aluminates, the co-ordination number of Al is:
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
When PbO2 reacts with concentrated HNO3 the gas evolved is:
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
The elements with atomic numbers 9, 17, 35, 53, 85 are all :
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Boron forms no compound in unipositive state while thallium in unipositive state is quite stable. Explain.
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Ti3+ acts as an _____ (oxidizing/reducing) agent.
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
The existence of lower oxidation state than the group oxidation state of group 13 and 14 elements is explained on the basis of which effect?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which is true regarding nitrogen?
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
The correct increasing order of electronegativity for Sn, Sn2+ and Sn4+ species is:
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements

What is the inert pair effect? Discuss the oxidation states of Group 13 elements in the light of the inert pair effect.

 

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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following ionic species has the greatest proton affinity to form a stable compound?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Nitrogen can form N2 molecule but phosphorus does not form such molecule P2. Why?
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Why is ammonia more basic than phosphine?