Books

• NCERT Chemistry Lab Manual for Class XI
• NCERT Chemistry Textbook  for Class XI 

Websites

• https://ncert.nic.in/pdf/publication/sciencelaboratorymanuals/classXI/chemistry/kelm204.pdf (Experiment: 4.2, Page No: 5-7)
• https://ncert.nic.in/textbook.php?kech1=7-7
• https://www.learncbse.in/ncert-solutions-class-11-chemistry/  (Chapter No: 7)
• https://youtu.be/yJelZcG6I-w