If the values of of NH4Cl, NaOH and NaCl are 130, 217 and 109 ohm-1.cm2.equiv-1 respectively, theNH4OH in ohm-1.cm2.equiv-1 is:

1.  238

2.  196

3.  22

4.  456

View Answer  
4
Correct Answer :

238


Explanation :
No Explanation available for this question

The number or unit cells present in 39 grams of Potassium if it crystallizes as body centred cube is : (N = Avogadro number. At. Wt. of potassium = 39)

1.  N/4

2.  N/2

3.  N/3

4.  N

View Answer  
4
Correct Answer :

N/2


Explanation :
No Explanation available for this question

Which one of the following is true for an exothermic reaction . If Ef and Eb arc the activation energies of forward and backward read ions respectively

1.  Ef> Eb

2.  Ef= Eb

3.  Ef= -Eb

4.  Ef<Eb

View Answer  
4
Correct Answer :

Ef&lt;Eb


Explanation :
No Explanation available for this question

If the equilibrium constant for the reaction is 2AB↔A2+B2is 49,what is equilibrium constant for

1.  7

2.  1/7

3.  24.5

4.  49

View Answer  
4
Correct Answer :

7


Explanation :
No Explanation available for this question

The pH of 0.05 M acetic acid is:

1.  2

2.  11

3.  10-3

4.  3

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

What is the entropy change in J.K-1 during the melting of 27.3 grams of ice at 00 C(Latent heat of fusion of ice = 330 J.g-1)

1.  330

2.  12.1

3.  3.3

4.  33

View Answer  
4
Correct Answer :

33


Explanation :
No Explanation available for this question

Which one of the following gives a straight line for Freundlich absorption isotherm

1.  

2.  x/m Vs 1/P

3.  

4.  x/m Vs. p

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

Which property among the following is same for both hydrogen and deuterium molecules

1.  Bond energy

2.  Melting point

3.  Boiling point

4.  Bond length

View Answer  
4
Correct Answer :

Bond length


Explanation :
No Explanation available for this question

In which of the following reactions hydrogen is not liberated

1.  reaction of fused NaOH with C

2.  reaction of NaOH with sulphur

3.  heating the concentrated NaOH with Si

4.  reaction of zinc with NaOH

View Answer  
4
Correct Answer :

reaction of NaOH with sulphur


Explanation :
No Explanation available for this question

Which one of the following statements is not correct

1.  Moissan boron is amorphous

2.  The reaction between boron and concentrated HNO3 gives N2O

3.  Amorphous boron on heating with oxygen forms B2O3

4.  Boron is a non-conductor of electricity

View Answer  
4
Correct Answer :

The reaction between boron and concentrated HNO3 gives N2O


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python