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Answer the questions completely with complete calculations. 1. what is the oxidation number of elements in...

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Chemistry

Answer the questions completely with complete calculations.

1. what is the oxidation number of elements in BrO2-, BrO3-& BrO4-, Br2, Br-?

2. In the reaction 4 NH3 (g) + 5 O2 (g) --> 4 NO (g) + 6 H2O(l)

750 g NH3 is mixed with 750 g of O2.

a. what is the amount of NO produced in this reaction?

b. Which is the limiting reagent?

c. How much of the excess reagent remains?

d. The actual yield of NO obtained was 400g. What is the % yieldof NO?

3. A compound of 49.4% K, 20.3% S, and 30.3% O by mass. What isthe empirical formula of the compound?

Answer & Explanation Solved by verified expert
4.0 Ratings (479 Votes)
1 Oxidation Nos Of Br in different species BrO2 3calculations x 4 1 x 3 where x represents oxidation number of Br and ONof O is 2 Similarly oxidation numbers of element Br in other given speciesare calcuulated as inBrO3 5BrO4 7Br2 0 it is as per conventionfor di atomic gases Br 1 oxidation number of halides isalways 1    See Answer
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