
Oxidation Numbers in HCN
Interactive Video
•
Chemistry
•
10th - 12th Grade
•
Hard

Amelia Wright
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the colors used to represent hydrogen, carbon, and nitrogen in the video?
Red, Blue, Green
White, Black, Purple
Yellow, Black, Red
Green, White, Blue
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of hydrogen when it is bonded with a non-metal?
+2
-1
0
+1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element's electronegativity is considered to assign its oxidation number in HCN?
Carbon
Oxygen
Hydrogen
Nitrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of nitrogen in HCN?
+3
-5
-3
+5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the oxidation number of nitrogen assigned as -3?
Because it is in group 15 and has a -3 charge
Because it is a metal
Because it is the least electronegative
Because it is in group 17 and has a -1 charge
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be the oxidation number of carbon in HCN to ensure the compound is neutral?
+4
0
-2
+2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do the oxidation numbers of all atoms in a neutral compound like HCN add up?
They add up to +2
They add up to 0
They add up to -1
They add up to +1
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final oxidation number of carbon in HCN?
+1
+2
-2
0
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge in determining the oxidation numbers in HCN?
The presence of a metal
The compound is not neutral
The absence of direct rules for carbon and nitrogen
The presence of multiple hydrogen atoms
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