An aqueous solution of X is is added slowly to an aqueous solution of Y as shown in Column I- The variation in conductivity of these reactions is given in Column II- Match Column I with Column II and select the correct answer using the codes given below the Columns-Wline Column I - Column IIII WlineP- X C - 2 H - 5- 3 N - lunderset Y CH - 3 COOH - 1-Conductivity decreases and then increasesll WlineQ- X KI 0-1 M - lunderset Y AgNO3 0-01 M - 2- Conductivity decreases and then does not - much 1 WineWinemuch and then increases 11 Wline -end array A- P-3 Q-4 R-2 S-1B- P-4 Q-3 R-2 S-1C- P-1 Q-4 R-3 S-2D- P-2 Q-3 R-4 S-1

The correct option is A P (3) Q (4) R (2) S (1)(P) X(C_2H_5)_3 N+YCH_3COOH→ CH_3COO^ (aq)+(C_2H_5)_3NH^+(aq) As CH_3COOH is a weak acid, its conduct ...

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Question

An aqueous solution of X is is added slowly to an aqueous solution of Y as shown in Column I. The variation in conductivity of these reactions is given in Column II. Match Column I with Column II and select the correct answer using the codes given below the Columns.
$\begin{matrix} C o l u m n I & C o l u m n I I P . (C_{2} H_{5})_{3} X N + C H_{3} C O O H Y & 1. C o n d u c t i v i t y d e c r e a s e s a n d t h e n i n c r e a s e s Q . K I (0.1 M) X + A g N O_{3} Y (0.01 M) & 2. C o n d u c t i v i t y d e c r e a s e s a n d t h e n d o e s n o t c h a n g e m u c h R . C H_{3} C O O H X + K O H Y & 3. C o n d u c t i v i t y i n c r e a s e s a n d t h e n d o e s n o t c h a n g e m u c h S . N a O H X + H I Y & 4. C o n d u c t i v i t y d o e s n o t c h a n g e m u c h a n d t h e n i n c r e a s e s \end{matrix}$

P - (3) Q - (4) R - (2) S - (1)

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P - (4) Q - (3) R - (2) S - (1)

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P - (2) Q - (3) R - (4) S - (1)

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P - (1) Q - (4) R - (3) S - (2)

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Solution

The correct option is A P - (3) Q - (4) R - (2) S - (1)
$(P) X (C_{2} H_{5})_{3} N + Y C H_{3} C O O H \to C H_{3} C O O^{-} (a q) + (C_{2} H_{5})_{3} N H^{+} (a q)$
As $C H_{3} C O O H$ is a weak acid, its conductivity is already less. On addition of weak base, acid - base reaction takes place and new ions are created.
So conductivity increases.
$(Q) K I (0.1 M) + A g N O_{3} (0.01 M) \to A g I ↓ (p p t) + K N O_{3} (a q)$ .
As the only reaction taking place is precipitation of AgI and in place of $A g^{+}, K^{+}$ is coming in the solution, conductivity remain nearly constant and then increases.
$(R) C H_{3} C O O H + K O H \to C H_{3} C O O K (a q) + H_{2} O$
$O H^{+} (a q)$ is getting replaced by $C H_{3} C O O^{-}$ , which has poor conductivity. So conductivity decreases and then after the end point, due to common ion effect, no further creation of ions take place. So, conductivity remain nearly same.
$(S) N a O H + H I \to N a I (a q) + H_{2} O$
As $H^{+}$ is getting replaced by $N a^{+}$ conductivity decreases and after end point. due to $O H^{-}$ , it increases.
So answer is: (P)- (3); (Q) - (4); (R) - (2); (S) - (1).

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Similar questions

Q. An aqueous solution of X is is added slowly to an aqueous solution of Y as shown in Column I. The variation in conductivity of these reactions is given in Column II. Match Column I with Column II and select the correct answer using the codes given below the Columns.

\begin{matrix} C o l u m n I & C o l u m n I I P . (C_{2} H_{5})_{3} X N + C H_{3} C O O H Y & 1. C o n d u c t i v i t y d e c r e a s e s a n d t h e n i n c r e a s e s Q . K I (0.1 M) X + A g N O_{3} Y (0.01 M) & 2. C o n d u c t i v i t y d e c r e a s e s a n d t h e n d o e s n o t c h a n g e m u c h R . C H_{3} C O O H X + K O H Y & 3. C o n d u c t i v i t y i n c r e a s e s a n d t h e n d o e s n o t c h a n g e m u c h S . N a O H X + H I Y & 4. C o n d u c t i v i t y d o e s n o t c h a n g e m u c h a n d t h e n i n c r e a s e s \end{matrix}

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 answer.

$\begin{matrix} L i s t I & L i s t I I P . (C_{2} H_{5})_{3} N x + C H_{3} C O O H y & 1. C o n d u c t i v i t y d e c r e a s e s a n d t h e n i n c r e a s e s Q . K I (0.1 M) x + A g N O_{3} y (0.01 M) & 2. C o n d u c t i v i t y d e c r e a s e s a n d t h e n d o e s n o t c h a n g e m u c h R . C H_{3} C O O H X + K O H y & 3. C o n d u c t i v i t y i n c r e a s e a n d t h e n d o e s n o t c h a n g e m u c h S . N a O H x + H I y & 4. C o n d u c t i v i t y d o e s n o t c h a n g e m u c h a n d t h e n i n c r e a s e s \end{matrix}$

Q. An aqueous solution of X is added slowly to an aqueous solution of Y as shown in List I. The variation in conductivity of theses reactions is given in List II. Match List I with List II and select the correct using the code given below the lists:

List-A	List-B
(P) $(C_{2} H_{5})_{3} N X + C H_{2} C O O H Y$	(1) Conductivity decreases and then increases
(Q) $K I (0.1 M) X + A g N O_{3} (0.01 M) Y$	(2) Conductivity decreases and then does not change much
(R) $C H_{2} C O O X + K O H Y$	(3) Conductivity increases and then does not change much
(S) $N a O H X + H I Y$	(4) Conductivity does not change much and then increases.

Q. 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 option using the code given below the lists:

\begin{matrix} List I & List II (A) (C_{2} H_{5})_{3} N + C H_{3} C O O H & (P) Initially conductivity decreases and then increases X Y (B) K I (0.1 M) + A g N O_{3} (0.01 M) & (Q) Initially conductivity decreases and then does not change much X Y (C) C H_{3} C O O H + K O H & (R) Initially conductivity increases and then does not change much X Y (D) N a O H + H I & (S) Initially conductivity does not change much and then increases X Y \end{matrix}

Which of the following is the only correct combination?

Q. An aqueous solution of X is added slowly to an aqueous solution of Y as shown in List 1. The variation in conductivity of these reactions is given in List 2. Match List 1 with List 2 and select the correct answer using the code given below the lists:

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