Honors Predicting Products of Chemical Reactions

If an element is diatomic it should have a subscript of___

• 1, always

• 2, only when it is an element

• it shouldn't have a subscript, it should have a coefficent

• 2, when bonded in a compound

Why does Iodine have a 2 subscript in the products of this reaction?

• Iodine is diatomic

• There are two iodine in the reactants

• Iodine has a -1 Charge

• Calcium has a +2 Charge

Why does chlorine have a subscript of a 2 in the products of this reaction?

• Because Chlorine is Diatomic

• Because there are 2 chlorine in the reactants

• Because Calcium has a +2 Charge.

• Because this is a single displacement reaction

Which element is NOT diatomic?

• Oxygen

• Iodine

• Carbon

• Nitrogen

Predict the products of this synthesis reaction: H₂ + Cl₂ →

• HCl

• H₂Cl₂

• H₂Cl

• HCl₂

What is the product of the following reaction?

Na (s) + Cl₂ (g) → (a)  

If an element is diatomic it should have a subscript of___

• 2, always
• 2, only when it is by itself
• it shouldn't have a subscript, it should have a coefficent

In a combustion reaction, one of the reactants is ____.

• carbon

• oxygen

• hydrogen

• nitrogen

Answer explanation

You need OXYGEN to combust (or burn).

What are the products of this reaction:

C₂H₄ + O₂ →

• C₂O₂ + H₄

• CO₂ + H₂ + O₂

• CO + H

• CO₂ + H₂O

Write a Balanced Equation for this reaction:
C₂H₄ + 2 O₂ -->

• C₂O₂ + H₄
• CO₂ + HOH
• CO + H
• 2 CO₂ + 2H₂O