NCERT Resources > NCERT Class 12 > NCERT Class 12 Chemistry

Access Free Repository for Chemistry Grade 12

Champion high school Chemistry and head towards becoming an integral part of global institutions with Learner's Note. Download Learner's Note's FREE learning resources for grade 12 Chemistry learners now and see the exceptional learning outcomes. With our learning repository, your child can finally concentrate on developing scientific temper, analytical skills and more and become an achiever. Get Grade 12 CBSE Chemistry solution-inspired repository now.
Navigate through the repository by searching for resources on the basis of subjects and topics. Happy learning to you!

Get Grade 12 Resources

NCERT Textbook
THE p BLOCK ELEMENTS

Class 12
Chemistry :-NCERT Solution - p Block elements

Exercise 1 Question 22
How is the presence of SO2 detected?


Answer:

SO2 is a colourless and pungent smelling gas.

 It can be detected with the help of potassium permanganate solution. When SO2 is passed through an acidified potassium permanganate solution, it decolonizes the solution as it reduces MnO4- ions to Mn2+ ions 

5SO2    +     2MnO4-     +   2H2O    →   5SO42-    +   4H+   +  2Mn2+


Previous Go Back Next

Trusted Globally

  • Learners from around the world—including the UAE and Southeast Asia—love Learners Note. With free global content, exciting tuition series, and courses for every type of learner, why wait? Start real learning today!

Information
Useful Link
Contact Info

Our Partners

Takyon System Solutions PVT LTD
Emirates Safer Internet Society
STOGO SUITE
STOGO

We Are Here

UAE
India
Australia
Canada