Statement-1: `E_(cell)^(0)=0` for a chloride ion concentration cell. Statement-2 : For this concentration cell where `E_(cell)=(RT)/(nF)ln([Cl^(-)]_(L

Monjur Alahi

Statement-1: `E_(cell)^(0)=0` for a chloride ion concentration cell.
Statement-2 : For this concentration cell where `E_(cell)=(RT)/(nF)ln([Cl^(-)]_(LHS))/([Cl^(-)]_(RHS))`


0 like 0 dislike
1 views
Share with your friends

1 Answers

Salim Ahmed Kawsar

Call

`Pt,Cl_(2)|Cl^(-)(aq)||Cl^(-)(aq)|Cl_(2)(g),Pt`
anode : `2Cl^(-)toCl_(2)+2e^(-)(R.H.S)`
cathode: `Cl_(2)+2e^(-)to2Cl^(-)(L.H.S)`
`E_(cell)=0-(RT)/(nF)ln([Cl^(-)]_(LHS))/([Cl^(-)]_(RHS))`
`E_(cell)=(RT)/(nF)ln([Cl^(-)]_(RHS))/([Cl^(-)]_(LHS))`

0 like 0 dislike
1 views
Talk Doctor Online in Bissoy App
Assertion : An aqueous solution of ferric chloride is acidic due to hydrolysis. Reason : Ferric chloride is a covalent compound and exists as a dimer.

Correct Answer - B (b) Correct explanation. Upon hydrolysis, ferric chloride forms ferric hydroxide (weak base) and hydrochloric acid (strong acid).

2 Answers 3 views
Assertion : Mercuric chloride becomes red on adding KI solution. Reason : Mercuric chloride undergoes hydrolysis forming basic chloride.

Correct Answer - C (c) Correct reason. Mercuric chloride changes to mercuric iodide (red) on adding Kl solution.

2 Answers 1 views
Ethyl chloride `(C_(2)H_(5)Cl)` , is prepared by reaction of ethylene with hydrogen chloride: `C_(2)H_(4)(g) + HCl(g) rarr C_(2)H_(5)Cl(g) " " DeltaH=

Correct Answer - C No. of mole of `C_(2)H_(4)=98/28=3.5," "` No. of mole of `HCl` (Limiting Reagent)`=109.5/36.5=3` `DeltaH=DeltaE+Deltan_(g) RT," "-72.3=DeltaE+(-1xx8.314xx300)//1000` `DeltaE=-69.80,` for three mole `DeltaE=-69.80xx3" "rArr -209.41" kJ/mol"`

2 Answers 1 views
Blood cells are isotonic with 0.9% sodium chloride solution. What happens if we place blood cells in a solution containing 1.2% sodium chloride 0.4% s

1.2% sodium chloride solution is more concentrated and is hypertonic in nature. Osmosis takes place from 0.9% sodium bloride solution (hypotonic). As a blood colls shrind. 0.4% sodium chloride solution...

2 Answers 1 views
Out of the following solutions which has the maximum freezing point and why ? (i) 1 M urea (ii) 1 M potassium chloride (iii) 1 M aluminium chloride

Correct Answer - 1 M urea solution.

2 Answers 1 views
Blood cells are isotonic with 0.9% sodium chloride solution. What happens if we palace blood cells in a solution containing 1.2% sodium chloride solut

(i) Blood cells shring (ii) Blood cells swell.

2 Answers 1 views
Statement-1:Sodium chloride is added during electrolysis of fused anhydrous magnesium chloride. Statement-2:Anhydrous magnesium chloride is obtained b

Correct Answer - C S-1:It lowers the fusion temperature of `MgCl_2` and provide conductivity to the elecrolyte. S-2: `MgCl_2. 6H_2O` is calcined in a stream of dry HCl gas to have...

2 Answers 1 views
Statement-1:Beryllium resembles aluminium. Statement-2: Charge/radius ratio of `Be^(2+)` ion is nearly the same as that of the `Al^(3+)` ion.

Correct Answer - A Beryllium and aluminium have diagonal relationship.

2 Answers 1 views
Statement-1:Cuprous ion `(Cu^+)` is colourless whereas cupric ion `(Cu^(2+))` produce blue colour in solution. Statement-2:Cupros ion `Cu^+` has unpai

Correct Answer - C Cupric ion proudces blue colour in solution due to the presence of unpaired electrons (d-d transition) while cuprous ion does not have unpaired electron.

2 Answers 1 views
Cesium bromide crystallizes in the cubic system. Its unit cell has a `Cs^(+)` ion at the body centred and a `Br` ion at each corner. Its density is `4

Correct Answer - `4.30Å;`

2 Answers 1 views
X