EASY
Earn 100

What is the general configuration and common oxidation states of group 15 elements?

Important Questions on The p-Block Elements

MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>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.
EASY
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:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
How many five-membered and six-membered rings are present in a buckmisterfullerene C60?
EASY
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
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Ammonia is not produced in the reaction of:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following molecules does not exist as monomer in its major form?
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

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

MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following statement is incorrect?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
The incorrect statement among the following is /are
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Inert pair effect is concerned with
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following is not a d-block element?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
What is inert pair effect?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
TlI3  is an ionic compound. In the aqueous solution it provides -
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which element is not of a p-block element from the following?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Reducing power of Ge2+, Sn2+ and Pb2+ decreases in the order;
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
s-electrons of the valence shell of some elements show reluctance in bond formation. Such elements are_______and belong to_______ .
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following statements is correct with respect to the property of the elements with increase in atomic number in the carbon family?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following statement is correct ?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Inert pair effect is maximum in –