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Balance Redox Rxn by oxidation No. method

Redox Reaction source : credit-help.biz I2+NaOH → NaI+NaIO3 + H2O I20 →  NaI–1 (Reduction)                                                                   (i) (Decrease in O NO.  Continue Reading »

5 years ago

Balance Redox Equation by Ion-electron (Acidic medium)

Redox-reaction source:chemistry.tutorvista.com Balance the Given redox-reaction  by ion-electron Method Cr2O7– – +Fe+++ H+ —-> Cr3++Fe3++H2O +6 Cr2O7– – +  Continue Reading »

5 years ago

Practical Viva

practical viva source : www.rnib.org.uk Question1.What is Radical ? Ans.    It is a group of atoms of one or  Continue Reading »

5 years ago
oxidation number

Oxidation number solved problems

oxidation number   Calculate Oxidation number of Underlined element- i) K2CrO4                                               ii)        K2Cr2O7 2(+1)+x+4(-2)=0                                         2(+1)+2x+7(-2)=0 +2+x–8=0                                                     +2+2x–14 =0 x=+6                                                                Continue Reading »

5 years ago

Oxidation Number – rules for calculation

oxidation number         source : compound chem.com Oxidation number of an element in a particular compound  Continue Reading »

5 years ago

Oxidising & Reducing Agents

oxidising & reducing agents source : slide player.com Oxidising agents or oxidants : are substances which Show gain of  Continue Reading »

5 years ago

oxidation & Reduction

oxidation & reduction source : www.layers-of-learning.com Oxidation Oxidation or de-electronation is a process which releases electrons. In oxidation, oxidation  Continue Reading »

5 years ago

Acid Base Concept

acid base concept chemwiki.ucdavis.edu Arrhenius concept– a) Acid – An acid is a substance which gives hydrogen ion (H+)  Continue Reading »

5 years ago

Half Life -Numerical

half life source : www.xraymachines.info Question 1 ) Half life period of a radioactive element is 10 years. Calculate  Continue Reading »

5 years ago

Half life and Average Life Period

Average & half life source : www.nde-ed.org Average Life Period & half  life period- Half Life Period- “It is  Continue Reading »

5 years ago
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