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• AIPMT 2010 Biology

AIPMT 2010 Biology

  

Q. 1.    Which one of the following species does not exist under normal conditions?

1. &;
2. 
3. 
4. 

Sol:

Bond order of  = 0, cannot exit

Answer : (2)

Q. 2. Which of the following complex ion is not expected to absorb visible light?

1.       
2.   
3.   
4. 

sol.

1.   : Number of unpaired electrons − 0
2.  : Number of unpaired electrons − 3
3.  : Number of unpaired electrons − 4
4.  : Number of unpaired electrons − 2

Answer : (1)

Q. 3. If pH of a saturated solution of  is 12, the value of its  is:

1.   
2. 
3. 
4. 

Sol.  

 

Answer : (4)