Recent questions tagged redox titrations

+1 vote

1 answer

In a reaction, Cr2O7^2- is reduced to Cr^3+. What is concentration of 0.1 M K2Cr2O7 in equivalent per litre?

asked Mar 20, 2019 in Chemistry by kratos

+2 votes

1 answer

Equivalent weighs of KMnO4 acidic medium, neutral medium and concentrated alkaline medium respectively

asked Mar 14, 2019 in Chemistry by kratos

+2 votes

1 answer

12.53 mL of 0.0509 M SeO2 reacted with 25.52 mL 0.1 M CrSO4 solution. In the reaction Cr was oxidized to Cr .

asked Mar 3, 2019 in Chemistry by kratos

+3 votes

1 answer

If Cl2 gas is passed into aqueous solution of KI containing some CCl4 and the mixture is shaken, then”.

asked Feb 22, 2019 in Chemistry by kratos

+2 votes

1 answer

Reaction, 2Br-(aq) + Cl2 (aq) ----> 2cl-(aq.) + Br2(aq.) is used for commercial preparation of bromine from its salts.

asked Feb 10, 2019 in Chemistry by kratos

+3 votes

1 answer

10 ml of KMnO4 solution is mixed with excess of KI solution in acidic medium. The iodine hence liberated

asked Feb 10, 2019 in Chemistry by kratos

+3 votes

1 answer

H2C2O4 (Oxalic acid) Δ→ gas (A) + gas (B) + liquid (C)

asked Feb 6, 2019 in Chemistry by kratos

+2 votes

1 answer

It requires 40.0 mL of 0.50 M Ce^4+ to titrate 10.0 mL of 1.0 M Sn^2+ to Sn^4+. What is the oxidation state of cerium in the reduced product.

asked Feb 5, 2019 in Chemistry by kratos

+1 vote

1 answer

Calculate n-factor of the reductant in the following reaction.

asked Jan 29, 2019 in Chemistry by kratos

+3 votes

1 answer

Both Cr2O7^2-(aq) and MnO4^-(aq) can be used to titrate Fe^2+(aq). If a given titration, 24.50 cm^3 of 0.1 M

asked Jan 23, 2019 in Chemistry by kratos

+2 votes

1 answer

A KMnO4 solution can be standarised by titration against As2O3 (*). A 0.1156 g sample of As2O3 requires 27.08 mL of the KMnO4 (aq)

asked Jan 17, 2019 in Chemistry by kratos

+2 votes

1 answer

What is the equivalent weight of KH(IO3)2 as an oxidant in presence of 4.0 (N) HCl when IC becomes the reduced form?

asked Dec 30, 2018 in Chemistry by kratos

+1 vote

1 answer

How many gram of I2 are present in a solution which requires 40 ml of 0.11 N Na2S2O3 to react with it

asked Dec 16, 2018 in Chemistry by kratos

+1 vote

1 answer

What mass of N2H4 can be oxidised to N2 by 24.0 g K2CrO4, which is reduced to Cr(OH)4^-.

asked Dec 3, 2018 in Chemistry by kratos

+1 vote

1 answer

Na2S2O3.5H2O is used in photography to : (A) reduce AgBr to metallic Ag

asked Dec 1, 2018 in Chemistry by kratos

+1 vote

1 answer

Complete and balance the following reactions (a) SO2 + H2S oxidation → (b) FeCl3 + H2O hydrolysis →

asked Nov 7, 2018 in Chemistry by kratos

+2 votes

1 answer

In the reaction 3 Mg +N2->Mg3N2. How magnesium getting oxidised and nitrogen getting reduced

asked Oct 8, 2018 in Chemistry by kratos

+2 votes

1 answer

Blood is: (a) Strong acidic (b) Strongly basic (c) Neutral (d) Slightly basic

asked Sep 22, 2018 in Chemistry by kratos

+3 votes

1 answer

10 ml 0.1 M Na2 S2 O3 is required to titrate evolved iodine for the detection of % enol of

asked Aug 30, 2018 in Chemistry by kratos

+1 vote

1 answer

Normality of a mixed solution of sulphuric acid and hydrochloric acid is 0.6 N. 20 ml of this solution gives

asked Aug 29, 2018 in Chemistry by kratos

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