pBlock ElementsII 1 Question 23

23. A pale blue liquid obtained by equimolar mixture of two gases at 30C is

(a) N2O

(b) N2O3

(c) N2O4

(d) N2O5

(2005,1M)

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Answer:

Correct Answer: 23. (b)

Solution:

  1. Equimolar amounts of NO and NO2 at 30C gives N2O3(l) which is a blue liquid.

NO(g)+NO2(g)30CN2O3(l)( Blue )



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