Question

From which of the following, SO2 is formed?

Solution

Correct option is

Reaction of Na2SO3 with conc. H2SO4

Na2SO3 is treated with conc. H2SO4 to form SO2 

Na2SO3 + H2SO4(conc.) âŸ¶ Na2SO4 + SO2 + H2O.

SIMILAR QUESTIONS

Q1

What is the name of the compound containing N, H and O, which on heating give laughing gas?

Q2

Which one of the following is best oxidizing agent? 

Q3

Which one of the following is pseudohalide?

Q4

Mn++ can be converted into Mn+7 by reacting with 

Q5

Oxidation state exhibited by sulphur is

Q6

How many bonding electron pairs are there in white phosphorus?

Q7

Solid iodine is

Q8

Conc. HNO3 reacts with I2 to form

Q9

Chlorine cannot displace

Q10

Sulphuric acid reacts with PCl5 to give