EASY
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Which of the following is not an example of13-15 compound?

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Important Questions on The p-Block Elements

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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Inert pair effect is concerned with
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The oxide, which is neither acidic nor basic is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
It is because of the inability of ns2 electrons of the valence shell to participate in bonding that
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Ammonia is not produced in the reaction of:
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Chalcogen group elements are :
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements

Match List-I with Match List-II

  List-I
(Metal)		   List-II
(Application)
(A) Cs (I) High temperature thermometer
(B) Ga (II) Water repellent sprays
(C) B (III) Photoelectric cells
(D) Si (V) Bullet proof vest

Choose the most appropriate answer from the options given below

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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of 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>Occurrence of p-Block Elements
Which statements about Boron and its compounds, among the following are true?
(i) Boron has high density and good electrical conductivity.
(ii) B10 isotope metal borides are useful as protective shields in nuclear industry.
(iii) Borax and boric acid are used in the manufacture of glasses.
(iv) Orthoboric acid is toxic and hence not useful in antiseptic solutions.
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The correct order of acidity is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Examples for neutral oxides
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
How many five-membered and six-membered rings are present in a buckmisterfullerene C60?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The bond length of Br-Br in Br2 molecule is equal to
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Which of the following statement is incorrect?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Which of the following is not a d-block element?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The incorrect statement among the following is /are
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Why are the elements of Group 18 known as noble gases?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Which of the following molecules does not exist as monomer in its major form?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
What is inert pair effect?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
An element belonging to Chalcogen group is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The noble gas that does not occur in the atmosphere is;