Which of the following expressions correctly represents the number distribution function for a linear polycondensation reaction?(Here N0 and p are total number of initial monomer molecules and extent of reaction initially)

Which of the following expressions correctly represents the number dis

1.	Which of the following expressions correctly represents the number distribution function for a linear polycondensation reaction?(Here N0 and p are total number of initial monomer molecules and extent of reaction initially)
A.	tN<sub>n</sub>=N<sub>0</sub>(1-p)<sup>2</sup>p<sup>n-1</sup>
B.	tN<sub>n</sub>=N<sub>0</sub>(1-p)p<sup>n-1</sup>
C.	tN<sub>n</sub>= N<sub>0</sub>p<sup>n-1</sup>
D.	tN<sub>n</sub>0n(1-p)<sup>2</sup>p<sup>n</sup>
Answer» B. tN<sub>n</sub>=N<sub>0</sub>(1-p)p<sup>n-1</sup>