Some Basic Concepts Of Chemistry Question 161

Question: In the reaction 2Na2S2O3+I2→Na2S4O6+2NaI , the equivalent weight of Na2S2O3 (mol. wt. = M) is equal to

Options:

A) M

B) M/2

C) M/3

D) M/4

Show Answer

Answer:

Correct Answer: A

Solution:

Na2SO3+2,+I2→Na2S4O6+2.5,+NaI

n=2×0.5=1

E=Mn−factor=M1=M

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