If the Vant Hoff factor for 0.1 M B a N O 3 2 solution is 2.74 , the degree of dissociation is

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Question: Answered & Verified by Expert

If the Vant Hoff factor for

0.1 M B a {(N O_{3})}_{2}

solution is

2.74,

the degree of dissociation is

ChemistrySolutionsJEE Main

Options:

A $0.87$
B $0.74$
C $0.91$
D $87$

Solution:

1035 Upvotes Verified Answer

The correct answer is:

0.87

B a {(N O_{3})}_{2} ⇌ B a^{2 +} + 2 N O_{3}^{-}; n = 3

α = \frac{i - 1}{n - 1} = \frac{2.74 - 1}{3 - 1} = 0.87

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