EASY
JEE Advanced
IMPORTANT
Earn 100

Why oxygen molecules have the formula O2 while sulphur is S8?

Important Questions on Group 16 - the Chalcogens

MEDIUM
JEE Advanced
IMPORTANT
Concise Inorganic Chemistry>Chapter 14 - Group 16 - the Chalcogens>Exercise 1>Q 10
Describe one method by which hydrogen peroxide is prepared. Give the structure of H2O2 in the gas phase. Write balanced equations for the reaction of H2O2 with an acidified solution of KMnO4.
 
MEDIUM
JEE Advanced
IMPORTANT
Concise Inorganic Chemistry>Chapter 14 - Group 16 - the Chalcogens>Exercise 1>Q 10
Describe one method by which hydrogen peroxide is prepared. Give the structure of H2O2 in the gas phase. Write balanced equations for the reaction of H2O2 with aqueous HI.
MEDIUM
JEE Advanced
IMPORTANT
Concise Inorganic Chemistry>Chapter 14 - Group 16 - the Chalcogens>Exercise 1>Q 10
Describe one method by which hydrogen peroxide is prepared. Give the structure of H2O2 in the gas phase. Write balanced equations for the reaction of H2O2 with: an acidic solution of potassium hexacyanoferrate(II)
MEDIUM
JEE Advanced
IMPORTANT
Concise Inorganic Chemistry>Chapter 14 - Group 16 - the Chalcogens>Exercise 1>Q 11
What are the main sources of sulphur? Which are the two most common allotropic forms?
MEDIUM
JEE Advanced
IMPORTANT
Concise Inorganic Chemistry>Chapter 14 - Group 16 - the Chalcogens>Exercise 1>Q 12
Describe the Frasch process for mining sulphur.
MEDIUM
JEE Advanced
IMPORTANT
Concise Inorganic Chemistry>Chapter 14 - Group 16 - the Chalcogens>Exercise 1>Q 13
Describe the changes which occur on heating sulphur.
HARD
JEE Advanced
IMPORTANT
Concise Inorganic Chemistry>Chapter 14 - Group 16 - the Chalcogens>Exercise 1>Q 14
What are the differences in the bond angles and the boiling points of H2O and H2S?
 
MEDIUM
JEE Advanced
IMPORTANT
Concise Inorganic Chemistry>Chapter 14 - Group 16 - the Chalcogens>Exercise 1>Q 15
 Explain how π bonding occurs in O2, O3, SO3 and SO42-.