EASY
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Which order is correct for the stability of +1 oxidation states?

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Important Questions on The p-Block Elements

HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements

The number of non-ionisable protons present in the product B obtained from the following reaction is___C2H5OH+PCl3→C2H5Cl+A

A+PCl3→B

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:
MEDIUM
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The oxide, which is neither acidic nor basic is
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements

Match List I with List II.

List I List II
A. Reverberatory furnace I. Pig iron
B. Electrolytic cell II. Aluminium
C. Blast furnace III. Silicon
D. Zone refining furnace IV. Copper
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Ammonia is not produced in the reaction of:
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Reaction of BeO with ammonia and hydrogen fluoride gives 'A' which on thermal decomposition gives BeF2 and NH4F. What is 'A' ?

MEDIUM
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What is inert pair effect?
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Match List I with List II

  List I   List II
A Nitrogen oxides in air I Eutrophication
B Methane in air II pH of rain water becomes 5.6
C Carbon dioxide III Global warming
D Phosphate fertilisers in water IV Acid rain

Choose the correct answer from the options given below :

MEDIUM
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Which of the following statement is incorrect?
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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
On heating, LiNO3 gives how many compounds among the following?
Li2O,N2,O2,LiNO2,NO2
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which of the following is not a d-block element?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
The delicate balance of CO2 and O2 is NOT disturbed by
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
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
Which hydride among the following is less stable?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>p-Block Elements
The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence:
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Match List I with List II

  List I
Type of Hydride		   List II
Example
A Electron deficient hydride I MgH2
B Electron rich hydride II HF
C Electron precise hydride III B2H6
D Saline hydride IV CH4

Choose the correct answer from the options given below :

MEDIUM
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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

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
Inert pair effect is concerned with