Number of structural isomers of an alkane, or the alkane with a given number of isomers

1. A.
   4n
2. B.
   3n
3. C.
   5n
4. D.
   6n

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1. A.
   C$_2$H$_6$
2. B.
   C$_3$H$_8$
3. C.
   C$_4$H$_{10}$
4. D.
   C$_6$H$_{12}$

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1. A.
   3n
2. B.
   4n
3. C.
   5n
4. D.
   6n

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1. A.
   $\text{C}_3\text{H}_8$
2. B.
   $\text{C}_4\text{H}_{10}$
3. C.
   $\text{C}_5\text{H}_{12}$
4. D.
   $\text{C}_6\text{H}_{14}$

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1. A.
   Two
2. B.
   Four
3. C.
   Three
4. D.
   Five

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