Barrons SAT Subject Test Chemistry, 13th Edition

(E) Potassium chromate is an ionic substance. The charge on the potassium is its oxidation state, +1. Since oxygen’s oxidation ...

(D) Although oxygen’s oxidation state is generally −2, it can have an oxidation state of −1 in peroxide compounds. ...

(D) By definition, reducing agents contain substances that are oxidized because in order to reduce another substance electrons ...

(A) The reaction described is a single replacement reaction in which bromine reacts with sodium iodide to produce sodium bromid ...

(A) Calcium has the highest activity on the list of elements shown. It has a desire to lose electrons more so than any other el ...

(C) Mercury is lower than hydrogen in the activity series. It will not spontaneously replace hydrogen in a compound. ...

(D) Calcium is unlikely to be found naturally as an element. It has a high activity level and thus a strong desire to be in com ...

(E) The reaction of butane and oxygen produces carbon dioxide and water. The oxidation state of carbon in butane is −2.5 since ...

(E) The oxidation state of oxygen in peroxide compounds is −1. The oxidation state of the oxygen in water is −2 and in elementa ...

13. Some Representative Groups and Families 1. (B) Fluorine is the most active nonmetallic element because of its atomic structu ...

(B) The order of activity of the halogens is from the smallest atomic radii to the largest straight down the family on the Peri ...

(A) Silver bromide, like many of the halogen salts, is light sensitive and is used in photographic films. ...

(B) The reaction of SO 2 with water forms sulfurous acid. The equation is: SO 2 + H 2 O → H 2 SO 3. ...

(D) Sulfuric acid is a strong dehydrating agent and draws water to itself so strongly that is can char sucrose by withdrawing t ...

(C) The combining of hydrogen and nitrogen gases (Haber proess) is used to prepare ammonia commercially. ...

(C) The only nitrogen compound in the list that has a reddish brown color is nitrogen dioxide. ...

(B) The reaction of these two chemicals results in the production of ammonium hydroxide, which is unstable and forms ammonia ga ...

(C) The ammonia molecule is trigonal pyramidal with an unshared pair of electrons in one corner of the pyramid. This negative ...

(C) An important ore of iron is hematite. ...

(B) CO, carbon monoxide, is used in the blast furnace as a reducing agent to react with oxide impurities. ...