1.

2.79 g of an organic compound when heated in Carius tube with cone. \[HN{{O}_{3}}\] and \[{{H}_{2}}P{{O}_{4}}\] formed is converted into \[MgN{{H}_{4}}.P{{O}_{4}}\]ppt. The ppt. on heating gave 1.332 g of \[M{{g}_{2}}{{P}_{2}}{{O}_{7}}\]. The percentage of P in the compound is

A. 23.33%            
B. 0.1333
C. 33.33%            
D. 0.2666
Answer» C. 33.33%            


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