Thanks to mukesh sachdeva sir,who helped our students by teaching them.In this video you will get idea about valency for iit jee/neet.
These are the class room videos of lectures.
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Home NEET NEET Videos Classroom Lecture Of Inorganic Chemistry|Part-2|IIT JEE/NEET|By-Dr.Mukesh Sachdeva sir(Ph.D-BHU) - Videos
Nice Sir
best inorganic lecture
Very nice
very nice !??? please up load more videos.