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How does sulphur occur?
 

Important Questions on The p-Block Elements

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An element belonging to Chalcogen group is
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Write true or false: Group 16 elements are called halogens.
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Which of the following noble gases is abundant in air?
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Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other?
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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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Which of the following is wrong statement?
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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
In resonance hybrid of ozone molecule, O-O bond length is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements

The following table represents the elements and the atomic number. With reference to this, answer the following using only the alphabets given in the table.

Element Atomic number
P 13
Q 7
R 10

Which element has an electron affinity zero?

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Give a reason for the following:

Inert gases do not form ions.

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The catalyst used in the Contact Process is 
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The indicator used during the estimation of COD of a water sample is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
On electrolysis of dil. sulphuric acid using Platinum Pt electrode, the product obtained at anode will be
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Which of the following is not a mineral of fluorine?
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Which of the following is used as disinfectant?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block 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>Occurrence of p-Block Elements
Which one of the following is not the use of SO2?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
How is fluorine isolate from fluorides using Dennis method.
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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;
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Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Chalcogen group elements are :