(a)
Interpretation:
The given
Concept introduction:
The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore, fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is
(b)
Interpretation:
The given chemical reaction needs to be balanced.
Concept introduction:
The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is
(c)
Interpretation:
The given chemical reaction needs to be balanced.
Concept introduction:
The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words, in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is
(d)
Interpretation:
The given chemical reaction needs to be balanced.
Concept introduction:
The group-17 of the periodic table is also called as halogens. They are most reactive and most electro-negative non-metals. The reactivity and electro-negativity of elements decreases down in the group therefore fluorine is most reactive halogen and iodine is least reactive halogen. In other words; in displacement reactions, a more reactive halogen can displace a less reactive halogen to form product such as chlorine can displace bromine from its solution but vice-versa is not possible. The reactivity order for halogens is:
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Chapter 21 Solutions
Chemistry: Principles and Reactions
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- 29) a 2.50 g sample of gallium absorbe 4.56 x 10^-3 kj of heat upon heating. What is the change of temperature in unit of degree Celsius of the gallium sample? Specific heat of gallium is 0.372 J/g °Carrow_forwardPredict the product(s) and write a balanced equation for each of the following redox reactions:(a) N2(g) + H2(g) →(b) NaClO3(s) →Δ(c) Ba(s) + H2O(l) →arrow_forwardComplete and balance the following acid-base equations:(a) A solution of HClO4 is added to a solution of LiOH.(b) Aqueous H2SO4 reacts with NaOH.(c) Ba(OH)2 reacts with HF gas.arrow_forward
- Write chemical equations for each of the following chemical and physical processes: (a) Neutralization of an aqueous solution of barium hydroxide by the hydronium ion (b) Reaction of 1 mole of aluminum with I2(s) to form aluminum iodide (c) Conversion of 1 mole of O2(g) to O3(g)arrow_forwardConsider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the introduction. Assuming an excess of the other reagents, from one mole of potassium hydroxide KOH, how many moles of alum will be produced?arrow_forwardHow many kj of heat are needed to produce 6.47 g NH 3 ? 4NO+6H 2 O 4NH 3 +5O 2; triangle H=906 kJarrow_forward
- The following chemical reaction takes place in aqueous solution: 2 AGNO3(aq)+K,CO3(aq) →Ag,CO3(s)+2 KNO3(aq) Write the net ionic equation for this reaction.arrow_forwardA sample of 70.5 mg of potassium phosphate is added to 15.0 mL of 0.050 M silver nitrate, resulting in the formation of aprecipitate. (a) Write the molecular equation for the reaction. (b) What is the limiting reactant in the reaction? (c) Calculatethe theoretical yield, in grams, of the precipitate that forms.arrow_forwardComplete, formulate, and balance the following equations: Calcium chloride + lead(II) nitrate Sodium sulfide + zinc chloride Barium hydroxide + Phosphoric acidarrow_forward
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