MEDIUM
Earn 100

One gas bleaches the colour of flowers by reduction, whereas another gas does the same by oxidation. The two gases respectively are

50% studentsanswered this correctly

Important Questions on The p-Block Elements

MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The correct sequence of decreasing number of π -bonds in the structure of H2SO3, H2SO4 and H2S2O7 is:
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
In which pair of ions do both the species contain S-S bond?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The catalyst used in the Contact Process is 
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which of the following is wrong statement?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The oxoacid of sulphur that does not contain bond between sulphur atom is:
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The number of S=O and S-OH bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are:
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements

O3+2KI aq⟶?

Product of the reaction is

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The shape of SCl4 is best described as a
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
In preparation of sulphuric acid from Sulphur dioxide in lead chamber process. What substance is used as a catalyst?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The statement that is not true about ozone is :
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which of the following is used as disinfectant?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which of the following oxoacid of sulphur has –O–O– linkage?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The element that combines with oxygen to give an amphoteric oxide is-
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
On electrolysis of dil. sulphuric acid using Platinum Pt electrode, the product obtained at anode will be
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements

Which of the following statements is correct?

EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
The structure of Marshall's acid among the following is:
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which one of the following is an oxide?
EASY
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
Which one of the following is not the use of SO2?
MEDIUM
Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 16 Elements
When SO2 gas is passed through aqueous Na2CO3, the product(s) formed is(are):