Daily Quiz Single Replacement

What type of reaction follows the form AX + BY -> AY + BX? (a)  

• single replacement cationinc
• double replacement
• synthesis
• decomposition

How many nitrogen atoms are on the reactants side of 3Mg(NO₃)₂ + 2K₃PO₄ -> Mg₃(PO₄)₂ + 6KNO₃? (a)  

• 6
• 3
• 18
• 1

Tags

NGSS.HS-PS1-7

Which reaction occurs

• Ag + KNO₃ ------> K + AgNO₃

• K + AgNO₃ ------> Ag + KNO₃

Tags

NGSS.HS-PS1-7

Write the halogens in order from MOST active to LEAST active (a)  

• F, I Cl, Br
• Cl, F, Br, I
• F, Cl, Br, I
• I, Br, F, Cl

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Select the metal that is more active than H₂

• Cu

• Ag

• Au

• Fe

In the unbalanced reaction of Al + Pb(NO₃)₂ ----> Pb + Al(NO₃)₂ select the cations with the correct charge?

• Al⁺¹ and (NO₃)^-2

• Al⁺³ and Pb⁺⁴

• Al⁺¹ and (NO₃)^-1

• Al⁺³ and Pb⁺²

Based on the Halogens activity series, what are the predicted products of this reaction?

Br₂ (l) + KI (aq) →

• KBr + I₂

• KBr + I

• KBr₂ + I

• No Reaction

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Based on the activity series, will this reaction occur?

Au (s) + HCl (l) →

• AuCl + H

• No Reaction

• AuCl + H_2

• Au₂Cl + H₂

What will be the result of : Zn + AuCl₂->

• ZnCl₂ +Au

• ZnAu + Cl₂

• no reaction

• ClAu + Zn

Based on the activity series, which metal could X represent in the reaction below?
X + Ca (NO₃)₂ -->  Ca + X (NO₃)₂

• Ba
• Fe
• Mg
• Zn