Home
Class 12
CHEMISTRY
Dissolved oxygen in water is determined ...

Dissolved oxygen in water is determined by using a redox reaction. Following equations describe the procedure.
I.`2Mn^(2+)(aq.)+4OH^(-)(aq.)+O_(2)(g) to 2MnO_(2)(S)+2H_(2)O(l)`
II. `MnO_(2)(s)+2I^(-)(aq)+4H^(-)(aq)toMn^(2+)(aq.)+I_(2)(aq.)+2H_(2)O(l)`
III.`2S_(2)O_(3)^(2-)(aq.)+I_(2)(aq)toS_(4)O_(6)^(2-)(aq.)+2I^(-)(aq.)`
How many moles of `S_(2)O_(3)^(2-)` are equivalent to each mole of `O_(2)?

A

0.5

B

1

C

2

D

4

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY (CHEMICAL FORMULAE AND EQUATIONS )

    OP TANDON|Exercise SELF ASSESSMENT|11 Videos

  • STOICHIOMETRY (CHEMICAL FORMULAE AND EQUATIONS )

    OP TANDON|Exercise PASSAGE -1|5 Videos

  • SATURATED ALIPHATIC HYDROCARBONS

    OP TANDON|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|7 Videos

  • UNSATURATED HYDROCARBONS

    OP TANDON|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|10 Videos

Similar Questions

Explore conceptually related problems

Dissolved oxygen in water is determined by using a redox reaction. Following equations describe the procedure. I. 2Mn^(2+)(aq.)+4OH^(-)(aq.)+O_(2)(g) to 2MnO_(2)(S)+2H_(2)O(l) II. MnO_(2)(s)+2I^(-)(aq)+4H^(-)(aq)toMn^(2+)(aq.)+I_(2)(aq.)+2H_(2)O(l) III. 2S_(2)O_(3)^(2-)(aq.)+I_(2)(aq)toS_(4)O_(6)^(2-)(aq.)+2I^(-)(aq.) 8mg of dissolved oxygen will consume:

Dissolved oxygen in water is determined by using a redox reaction. Following equations describe the procedure. I. 2Mn^(2+)(aq.)+4OH^(-)(aq.)+O_(2)(g) to 2MnO_(2)(S)+2H_(2)O(l) II. MnO_(2)(s)+2I^(-)(aq)+4H^(-)(aq)toMn^(2+)(aq.)+I_(2)(aq.)+2H_(2)O(l) III. 2S_(2)O_(3)^(2-)(aq.)+I_(2)(aq)toS_(4)O_(6)^(2-)(aq.)+2I^(-)(aq.) What amount of I_(2) will be liberated from 8g dissolved oxygen?

Dissolved oxygen in water is determined by using a redox reaction. Following equations describe the procedure. I. 2Mn^(2+)(aq.)+4OH^(-)(aq.)+O_(2)(g) to 2MnO_(2)(S)+2H_(2)O(l) II. MnO_(2)(s)+2I^(-)(aq)+4H^(-)(aq)toMn^(2+)(aq.)+I_(2)(aq.)+2H_(2)O(l) III. 2S_(2)O_(3)^(2-)(aq.)+I_(2)(aq)toS_(4)O_(6)^(2-)(aq.)+2I^(-)(aq.) Number of which two chemical species will be same in the given procedure?

Dissolved oxygen in water is determined by using a redox reaction. Following equations describe the procedure. I. 2Mn^(2+)(aq.)+4OH^(-)(aq.)+O_(2)(g) to 2MnO_(2)(S)+2H_(2)O(l) II. MnO_(2)(s)+2I^(-)(aq)+4H^(-)(aq)toMn^(2+)(aq.)+I_(2)(aq.)+2H_(2)O(l) III. 2S_(2)O_(3)^(2-)(aq.)+I_(2)(aq)toS_(4)O_(6)^(2-)(aq.)+2I^(-)(aq.) If 3xx10^(-3) moles O_(2) is dissolved per litre of water, then what will be the molarity of I^(-) produced in the give reaction?

O_(3)(g)+I^(-)(aq)+H_(2)O(l) to

Identify the oxidants and redutants in the folowing reactions (a) CH_(4)(g)+4CI(g)rarrCCI_(4)(g)+4HCI(g) (b)2H^(+)(aq)+MnO_(2)(S)+C_(2)H_(2)O_(4)(aq)rarrMn^(2+)(aq)+2CO_(2)(g)+2H_(2)O(l) (c )I_(2)(aq)+2S_(2)O_(3)^(2-)(aq)rarr2I^(-)(aq)+S_(4)O_(6)^(2-)(aq) (d) CI_(2)(g)+2Br^(-)(aq)rarr2CI^(-)(aq)+Br_(2)(aq)

Observe the following reaction, 2NO_(2)(g) + 2OH^(-)(aq) to NO_(3)^(-)(aq) + H_(2)O (l) + NO_(2)^(-) (aq) in this reaction,