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• AIPMT 2010 Chemistry

AIPMT 2010 Chemistry

  

Q. 42. The number of atoms in 0.1 mol of a triatomic gas is:

1.  
2.   
3.  
4. 

Sol:

The number of atoms in 0.1 mole of a triatomic gas =
                                                                                                 =               
Answer : (2)

Q. 43. Which one of the following compounds is a peroxide?

1.  
2. 
3.    
4. 

Sol.

Answer: (2)

Q. 44. Standard entropies of X₂, Y₂ and XY₃ are 60, 40 and 50 JK⁻¹ mol⁻¹ respectively. For the reaction   to be at equilibrium, the temperature should be:

1. 750 K
2. 1000 K
3. 1250 K
4. 500 K

Sol:

  
 

Answer: (1)