What is the concentration of KMnO4 solution in mole/litre which gives an absorbance of 0.120 when measured in a 2.0 cm cell ?

Question – What is the concentration of KMnO4 solution in mole/litre which gives an absorbance of 0.120 when measured  Continue Reading »

The rate constant for a reaction was measured as a function of temperature. A plot of lnK versus T ( in kelvin ) is linear and has a slope.Find the activation energy ?

Q –  The rate constant for a reaction was measured as a function of temperature. A plot of lnK  Continue Reading »

Kohlrausch law

Kohlrausch law source : AskIITians Kohlrausch law- According to this law, ” At infinite dilution , when ionisation is  Continue Reading »

Mixture

Mixture source: Quora.com Mixture- It is obtained by mixing two or more substances (compound , element ) in any  Continue Reading »

Compound-common and chemical name

Compound-common and chemical name source : MySchoolPage Compound-common and chemical name- Common name               Continue Reading »

Compound

Compound source : online-sciences.com Compound- Substance made up of two or more elements chemically combined in a fixed proportion  Continue Reading »

Metal ,nonmetal

Metal source: brainly.com Metal – Metals are those elements which possess the following properties- 1) They are generally solid  Continue Reading »

Depression in freezing point-Part 2

Depression in freezing point source : youtube.com Definition of Molecular or molar depression constant- If w/m = 1 mole,  Continue Reading »

Aromatic Conversions

Aromatic Conversions: 1. Acetylene to Benzene: 2. Benzene to Toluene : 3. Benzene to Nitro Benzene: 4. Benzene to  Continue Reading »

Isomerism

Isomerism – “When two or more compounds having the same molecular formula but differ in physical or chemical properties  Continue Reading »