EASY
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Why boron forms BF4-, where as aluminium forms AlF63-?

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
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Examples for neutral oxides
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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
The oxide, which is neither acidic nor basic is
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 correct order of acidity is
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following reactions lead to chemical inertness:
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Why is ammonia more basic than phosphine?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Write a short note on anomalous properties of the first element of p-block.
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following is not an example of13-15 compound?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements

Describe the general trends in the following property of the elements in Groups 13 and 14.

Metallic character

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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
Explain why the first member of each of the groups of representative elements exhibits anomalous properties.
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following sequence correctly represents the decreasing acidic nature of oxides?
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Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which element is not of a p-block element from the following?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following orders represents the correct order for the properties indicated against them?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which is true regarding nitrogen?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Explain maximum covalency of boron and aluminium.