Fe2+ + H+ + Cr2o72- = Cr3+ + Fe 3+ +H2O. Balance the given reaction byOxidation number method.

Balance the given reaction by Half reaction method. MnO4- + H+ +Br- =Mn2+ +Br2+H2O

determine the oxidation number of Cr in K₂Cr₂O₇

oxidation number of b in nabh4

balance by ion electron method:P₄ +OH^-+H₂O-->PH₃+H₂PO₂^-Also show the steps...............

When sulphur dioxide is passed in an acidified K₂Cr₂O₇ solution,from which range does the oxidation state of sulphur change?

derive relationship between Kp and Kc

How many mole of FeSO₄ reacted with one mole KMnO₄ in acidic medium?.

What is the oxidation number of sodium in sodium amalgam??

 wht is oxidising agent ad reducing agent ?

Is NaoH +Hcl = Nacl+H2o redox reaction?

how to find the oxidation number of H2S2O8

what is double titration and back titration

CuO + NH3 = Cu + N2 + H2O

balance the equation by oxidation no. method.

Explain redox reaction with examples.....

 oxidation no of Cr in CrO5 ??? is it +6

MnO2 + HCl --- MnCl2 + Cl2 + H2O BY oxidation method

FeS2 + O2 --- Fe2O3 + SO2 BY oxidation method

what is the oxidatin number of Fe in Fe(CO) ₅

what is mean by redox reaction?

KOH+Cl₂-----> KClO₃+KCl+H₂O

Balance using oxidation number method. Plz answer immediately.

 what are the functions of salt bridge in an electrochemical cell??

what is the oxidation number of ozone O₃.

no of moles of MnO4- required to oxidise one mole of ferrous oxalte completely in acidic medium will be

a) 7.5 moles

b) 0.2 moles

c) 0.6 moles

d) 0.4 moles

One litre of mixture of CO and CO₂ is passed through red hot charcoal in a tube. The new volume becomes 1.4litres. Find out percentage composition of the mixture b volume. All measurements are made at same P and T.

1 mole of NO2 and 2 moles of CO are enclosed in a one litre vessel to attain the following equilibrium NO2 + CO NO + CO2 . It was estimated that at equilibrium , 25 % of initial amount of CO is consumed . The equilibrium constant Kp is--- (1) 1(2) 1/4(3) 1/2(4) 1/3

why AlCl3 acts as lewis acid ? explain structure of AlCl3 

How to balance MnO4-(aq) + I-(aq) - MnO2(s) + I2(s) in basic medium by half reaction?

(NCERT book, chem part 2, page 268, prob 8.10)

MnO2 +4 HCl gives MnCl2 +2H2O +Cl2 which is oxidising and reducing agent in this?

why is oxidation no. of oxygen in OF₂ n O₂F₂ +ive?

how can we balance it.....

FeS2 + O2-------> Fe2O3 + SO2

by both oxidation number method and ion-electron method......

MnO₄^- + C₂O₄^2- + H^{+ ______}> Mn²⁺ + CO_2.

Balance the following chemical equation.

What are superoxides and peroxides??? Explain with examples....

PbO₂ + Cl^- = Pb(OH)₃ + ClO^-

^{how to balance this reaction by half reaction method?}

The equivalent weight of FeS₂ in the following reaction is

FeS₂ + O₂ ---- Fe⁺³ + SO₂

 balance the following redox reaction by ion electron method

Cl2O7(g) + H2O2(aq) - ClO2-(aq) + O2(g)   (in basic medium)

balance the following redox reaction by oxidation number method

Cr2O7 2-(aq) + SO2(g) - Cr3+(aq) +SO4 2-(aq)   (in acidic medium)

mno⁴- + I^- = Mn²⁺ +I² + H₂0 balance by oxidation half reaction or ion electron method in acidic medium?

Describe layer test for Bromide and Iodide ions.

what is the oxidation number of zinc and sulphur in ZnS.

why an electrochemical cell stops working after some time? and what  would happen if no salt bridge were used in the electro chemical cell?

What is the oxidation number of S2 in H2S2O7?

 balance the reaciton-

cl₂o₇ + h₂o₂ ---------- clo₂^-   + o₂ +h⁺  (acidic medium)

In the redox reaction 2Na(s)+H₂(g)= 2NaH(s), which is getting reduced, Sodium or oxygen?

 why is the oxidation number of F +1 in HOF ?

MnO4^2- undergoes disproportionate reaction in acidic medium but MnO4^- does not. Why?

the reaction KI + I₂ -> KI₃

a. oxidation

b.reduction

c.complex formation

d.all

Cr₂O_7^2-+SO_{3^{2-GIVES RISE TO}} Cr³⁺SO₄^2-

^{BALANCE BY OXIDATION NUMBER METHOD}

assign oxidation state of Cu2S also explain it