The number of chiral carbon centers in the following molecule is ............... 
The above reaction is an example of 
One mole of a monoatomic ideal gas starting from state A, goes through B and C to state D, as shown in the figure. Total change in entropy (in J K\(^{-1}\)) during this process is ............... 
Number of \( ^1H \) NMR signals observed for the following compound is ............. 
The product(s) in the following transformation is(are) 

The major products P and Q of the following reactions are 
The major product in the following reaction sequence is 
