Chemical Reactions and Equations question answer are provided in this post including NCERT questions also. Why should a magnesium ribbon be cleaned before burning in air ? Answer: Magnesium gets covered with a layer of magnesium oxide when kept in air for a long time. This layer hinders the burning of magnesium. Hence, it is […]
Chemical Reactions and Equations: 64 Ques and Ans Read More »
The short notes for the chapter Chemical Reaction and Equation are as follows: The representation of chemical reaction by means of symbols of substances in the form of formulae is called chemical equation.For example N2 + 3H2 ⇌ 2NH3 A balanced chemical equation has equal number of atom of each element participating in the reaction on both
Chemical Reaction and Equation: Short Notes Read More »
Question: Write the name, stereochemistry and magnetic behaviour of the following: (At. nos. Mn = 25, Co = 27, Ni = 28) (i) K4[Mn(CN)6] (ii) [Co(NH3)5Cl]Cl2 (iii) K2[Ni(CN)4] (To remember: Oxidation state of K is +1 Oxidation state of CN is -1 Oxidation state of NH3 is 0 Oxidation state of Cl is -1)
Coordination Chemistry Questions from Delhi 2011 Read More »
This question is from Organic chemistry section of JEE Advance 2019. First time when you see this question, it looks a bit difficult. Don’t lose your confidence. I’ll tell you how easy it is. We have to apply the basic organic reactions and named reactions, that’s it!! In this question, set of reactions are given
Why this JEE Advance 2019 Question so easy? Read More »
