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How many of the group 16 elements exist(s) as diatomic molecule(s) at room temperature?

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Important Questions on The p-Block Elements

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Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
An element belonging to Chalcogen group is
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
The following statements concern elements in the periodic table. Which of the following is true?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
The indicator used during the estimation of COD of a water sample is
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
The correct order of electron gain enthalpy is:
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Identify the incorrect statement :
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Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Among the following allotropic forms of sulphur, the number of allotropic forms, which will show paramagnetism is _______.
(A) α-sulphur
(B) β-sulphur
(C) S2-form
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Chalcogen group elements are :
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Given below are two statements:

Statement I : α and β forms of sulphur can change reversibly between themselves with slow heating or slow cooling.

Statement II : At room temperature the stable crystalline form of sulphur is monoclinic sulphur.

In the light of the above statements, choose the correct answer from the options given below:

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Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements

Match List I with List II

  List I Industry   List II Waste Generated
(A) Steel plants (I) Gypsum
(B) Thermal power plants (II) Fly ash
(C) Fertilizer Industries (III) Slag
(D) Paper mills (IV) Bio-degradable wastes

Choose the correct answer from the options given below :

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
In the long form of the periodic table, the valence shell electronic configuration of 5s25p4 corresponds to the element present in:
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
The boiling points of hydrides of group 16 are in the order:
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Which of the following statements is false for group 16th  elements?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
The outer electronic configuration of group 16 elements is nsxnpy. Find x+y.
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
The highest bond strength is shown by
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Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Which element of chalcogens has maximum tendency to show catenation?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Which of the following statements regarding sulphur is incorrect?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Which one of the following statements is false?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
If X is a member of chalcogen family, the highest stability of X2- is exhibited by
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
The correct order of the thermal stability of the following hydrides is:
(I) H2O (II) H2Se (III) H2S (IV) H2Te
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Atomic and Physical Properties of Group 16 Elements
Oxygen exists as a diatomic molecule, but sulphur does not exist in diatomic state at room temperature, because sulphur