During the depression of freezing point experiment an equilibrium is established between the molecules of

1.  liquid solvent and solid solvent

2.  liquid solute and solid solvent

3.  liquid solute and solid solute

4.  liquid solvent and solid solute

View Answer  
4
Correct Answer :

liquid solvent and solid solvent


Explanation :
No Explanation available for this question

Consider the following reactionWhich one of the following statements is true for X

1.  4

2.  3

3.  2

4.  1

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

For the following cell reaction Ag | Ag+ | AgCl | Cl- | Cl2 ,Pt∆G0f (AgCl) = -109 kj

1.  -0.60 V

2.  0.60 V

3.  6.0 V

4.  none

View Answer  
4
Correct Answer :

0.60 V


Explanation :
No Explanation available for this question

The synthesis of crotonaldehyde from acetaldehyde is an example of  reaction

1.  Nucleophilic addition

2.  Elimination

3.  Electrophilic addition

4.  Nucleophilic addition - elimination

View Answer  
4
Correct Answer :

Nucleophilic addition - elimination


Explanation :
No Explanation available for this question

At 250C the molar conductances at infinite dilution for the strong electrolytes NaOH, NaCl and BaCl2 are 248 x 10-4 , 126 x 10-4, and 280 x 10

1.  52.4 x 10-4

2.  524 x 10-4

3.  402 x 10-4

4.  262x 10-4

View Answer  
4
Correct Answer :

524 x 10<sup>-4</sup><br>


Explanation :
No Explanation available for this question

The Cubic Unit cell of a metal (molar mass = 63.55 g mol-1) has an edge length of 362 pm. Its density is 8.92 g.cm-3 . The type of unit cell is

1.  primitive

2.  face entered

3.  body centered

4.  end centered

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4
Correct Answer :

face entered


Explanation :
No Explanation available for this question

The equilibrium constant for the given reaction is 100N2(g) + 2O2(g) 2NO<

1.  10

2.  1

3.  0.1

4.  0.01

View Answer  
4
Correct Answer :

0.1


Explanation :
No Explanation available for this question

For a first order reaction at 27oC, the ratio of time required for 75% completion to 25% completion of reaction is

1.  3.0

2.  2.303

3.  4.8

4.  0.477

View Answer  
4
Correct Answer :

4.8


Explanation :
No Explanation available for this question

The concentration of an organic compound in chloroform is 6.15 g per 100 ml of solution. A portion of this solution in a 5 cm polarimeter tube causes an observed rotation of -1.2a. What is the specific rotation of the compound &l

1.  + 12o

2.  -3.9o

3.  -39o

4.  +61.5o

View Answer  
4
Correct Answer :

-39<sup>o</sup>


Explanation :
No Explanation available for this question

20 ml of 0.1 M acetic acid is mixed with 50 ml of Potassium acetate. Ka of Acetic acid = 1.8 x 10-5 at 270C. The concentration of Potassium acetate if pH of the mixture is 4.8

1.  0.1 M

2.  0.04 M

3.  0.4 M

4.  0.02 M

View Answer  
4
Correct Answer :

0.04 M


Explanation :
No Explanation available for this question
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