Oxidation Numbers in NaClO2

The video tutorial explains how to determine the oxidation number of chlorine in sodium chlorite (NaClO2). It begins by noting that NaClO2 is a neutral compound, meaning the sum of oxidation numbers is zero. Sodium, being in group one, has a +1 oxidation number. Chlorine's oxidation number is uncertain due to its bond with oxygen, which typically has a -2 oxidation number. By setting up an equation with these values, the oxidation number of chlorine is calculated to be +3. The tutorial concludes by verifying the calculation, ensuring the sum of oxidation numbers equals zero.

What is the oxidation number of sodium in NaClO2?

• 0

• -1

• +2

• +1

Why can't we use the general rule for chlorine's oxidation number in NaClO2?

• Because chlorine is in group 1

• Because chlorine is in a neutral compound

• Because chlorine is bonded to oxygen

• Because chlorine is bonded to sodium

What is the typical oxidation number of oxygen in compounds?

• -1

• +1

• -2

• +2

How many oxygen atoms are present in NaClO2?

• 4

• 3

• 2

• 1

What equation is set up to find the oxidation number of chlorine in NaClO2?

• 1 + x - 2(2) = 0

• 1 + x - 4 = 0

• 1 + x - 2(3) = 0

• 1 + x - 2 = 0

What is the oxidation number of chlorine in NaClO2?

• +3

• +2

• +1

• +4

What is the sum of oxidation numbers in a neutral compound like NaClO2?

• +2

• +1

• 0

• -1

How do you verify the oxidation number of chlorine in NaClO2?

• By checking if the sum of oxidation numbers equals three

• By checking if the sum of oxidation numbers equals two

• By checking if the sum of oxidation numbers equals one

• By checking if the sum of oxidation numbers equals zero