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CHEM 2211: Test 4
Compound with 2 triple bonds are called ____________.
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diynes
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Compounds with 3 triple bonds are called:
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triynes
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For radical halogenation, chlorination prefers to attach at the _________ substituted carbon.
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Least
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For radical halogenation, chlorination: The major product is dependent on the number of _____________ ____________________.
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like hydrogens
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When there is a choice in numbering an enyne, __________ bonds receive lower numbers than __________ bonds.
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double; triple
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Rank the stability of alkanes for radical halogenation from least to greatest with the choices given:
1. primary
2. secondary
3. tertiary
4. a methyl
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methyl<primary<secondary<tertiary
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Bromination produces the _______________ (more/least) substituted halogenated product as the major product.
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more
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Compound containing both double and triple bonds are called __________.
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enynes
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Number an enyne starts from the end nearer the 1st _______ bond.
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multiple
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What is the stereochemistry for an SN2 reaction?
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100% inversion
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In an SN2 reaction, the nucleophile attacks from the _________.
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backside at 180 degrees away from the leaving group.
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E2 and SN2 reactions occur in _________ step(s).
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one
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What is the step called in the E2 and SN2 reaction?
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the rate determining reaction
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What determines the stereochemistry in an E2 reaction?
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the anti periplanar transition state
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SN2 reaction need what type of solvent?
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polar, aprotic
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E2 reaction need what type of solvent?
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polar, aprotic
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SN1 reaction need what type of solvent?
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polar, protic
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E1 reaction need what type of solvent?
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polar, protic
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What reactions form a carbocation
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SN1 and E1
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