Noble Gases (Group 18) Elements Group 18 Elements Group 18 consists of six elements- helium (He), neon (Ne), argon (Ar),…
Month: December 2020
Chlorine its Properties and Oxoacids of Chlorine Chlorine (Cl2) (1) Preparation: It can be prepared by any one of the following methods: (i) By heating manganese…
Group 17 Elements and Properties Group 17 Elements Group 17 includes Fluorine (F), chlorine (Cl), bromine (Br), iodine (I),…
Sulphur its Compounds and Properties Sulphur (S): Sulphur is the 2nd element of the oxygen family. Sulphur forms a large number…
Group 16 Elements and Properties of Oxygen General Properties: (i) Ionisation Enthalpy: Ionisation enthalpy of these elements decreases down…
Passage Based Questions Chemistry Class XI 1. Read the passage and answer the questions that follow: The attractive force…
Fully Solved Paper Chemistry Class XII CLASS – XII SUBJECTS – CHEMISTRY M.M.70 …
Organic Chemistry Distinguish Tests Distinguish between 1. (C2H5)2NH and (CH3)3NH i). Add HNO2. (C2H5)2NH will form a yellow oily…
Organic Chemistry Find the Compound Type Questions Que 1. An organic compound (A) (C8H16O2) was hydrolysed with dilute sulphuric…
Case-Based Questions Chemistry Solid State …