Question: What is the general formula for alkynes?
Options:
C_nH_(2n+2)
C_nH_(2n)
C_nH_(2n-2)
C_nH_(2n-1)
Correct Answer: C_nH_(2n-2)
Solution:
The general formula for alkynes is C_nH_(2n-2), where n is the number of carbon atoms.
What is the general formula for alkynes?
Practice Questions
Q1
What is the general formula for alkynes?
C_nH_(2n+2)
C_nH_(2n)
C_nH_(2n-2)
C_nH_(2n-1)
Questions & Step-by-Step Solutions
What is the general formula for alkynes?
Correct Answer: C_nH_(2n-2)
Step 1: Understand that alkynes are a type of hydrocarbon, which means they are made up of carbon (C) and hydrogen (H) atoms.
Step 2: Know that the general formula for alkynes is based on the number of carbon atoms (n) in the molecule.
Step 3: The formula is written as C_nH_(2n-2). This means for every n carbon atoms, there are (2n-2) hydrogen atoms.
Step 4: For example, if n = 2 (which means there are 2 carbon atoms), then the number of hydrogen atoms would be (2*2 - 2) = 2. So, the formula would be C2H2.
Step 5: This pattern continues for any number of carbon atoms, allowing you to calculate the number of hydrogen atoms in any alkyne.
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