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Card 6
Front
18.5* This question is about 2,2,3-trimethylpentan-3-ol. The name gives you several bits of information about the structure of the molecule. Which one of the following bits of information is wrong? A The longest chain of carbon atoms in the molecule
Back
Card 7
Front
18.6 How many isomers are there for the molecular formula C4H10? A 1 B 2 C 3 D 4 Answer: B Comment
Back
Card 8
Front
18.7 Structural isomers are molecules with the same molecular formula, but with different structural formulae. A student was asked to draw all the isomers for pentane, C5H12, and came up with the following four structures. (i) CH3 CH2 CH2 CH2
Back
Card 9
Front
18.7* Which one of the following is not an isomer of C3H8O ? A CH3 CH2 CH2 OH B CH3 CH2 O CH3 C CH3 CH CH3 OH D CH2 CH2 CH2 O
Back
Card 10
Front
18.8 But-2-ene, CH3CH=CHCH3 , is one of the structural isomers of C4H8. How many other structural isomers of this are there (in addition to this one) which contain a C=C double bond? A 1 B 2 C 3 D 4