JEE Advanced2013ChemistryElectrochemistryActual
An aqueous solution of X is added slowly to an aqueous solution of Y as shown in List I. The variation in conductivity of these reactions is given in List II. Match List I with List II and select the correct using answer the code given below the lists : List I List II a. C 2 H 5 3 N + CH 3 COOH X Y p. Conductivity decreases and then increases b. KI 0 . 1 M + AgNO 3 0 . 0 1 M X Y q. Conductivity decreases and then doe
Options
- Aa-r;b-s;c-q;d-p;
- Ba-q;b-s;c-r;d-p;
- Ca-p;b-r;c-s;d-q;
- Da-p;b-s;c-q;d-r;
Correct answer
A. a-r;b-s;c-q;d-p;
Step-by-step solution
p) (C 2 H 5 ) 3 N added to CH 3 COOH (C 2 H 5 ) 3 NH + and CH 3 COO - ions generated in solution, conductivity increases & then remains constant as (C 2 H 5 ) 3 N is not dissociated when in excess. q) KI eq added to AgNO 3 Ag (aq) + + NO 3 (aq) - + KI ⟶ K (aq) + + NO 3 (aq) - + AgI Ag + & NO 3 - ions replaced by K (aq) + & NO 3 (aq) - conductivity does not change till complete precipitation but later on with additional KI (aq) added conductivity will increase. r) On addition of acetic acid to KOH. KO