EASY
Earn 100

Which of the following halogen is radioactive in nature?
 

97.3% studentsanswered this correctly

Important Questions on The p-Block Elements

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Which of the following noble gases is abundant in air?
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
How is fluorine isolate from fluorides using Dennis method.
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Why are the elements of Group 18 known as noble gases?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Which of the statement given below is incorrect?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Chalcogen group elements are :
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Which among the following is the most reactive?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Write true or false: Group 16 elements are called halogens.
HARD
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The indicator used during the estimation of COD of a water sample is
HARD
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?

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The least number of oxyacids are formed by:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The bond length of Br-Br in Br2 molecule is equal to
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The increasing order of the atomic radii of the following elements is:
aC
bO
cF
dCl
eBr
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Which of the following is not a mineral of fluorine?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements

What is the action of Cl2 on cold and dilute NaOH ?

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Amongst the following interhalogen compounds which one is used for the production of UF6 during U235 enrichment process?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
Arrange the following oxoacids of chlorine in their decreasing acidic character.
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements

Give a reason for the following:

Inert gases do not form ions.

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
An element belonging to Chalcogen group is
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Occurrence of p-Block Elements
The noble gas that does not occur in the atmosphere is;