Question

organic chemistry

4, Identify the following statements as either true (T) or false (F), or circle one of the choices provided. The structures references are shown below. The rate of an Syl reaction will double if the concentration of the nucleophile is doubled. A is more stable than B. Compound C has a higher pKa than compound D. The IR spectrum of E would show a strong peak between 1700 cm and 1800 cm. The structure F would be named [2.1.1]bicyclohexane. The antidepressant fluoxetine is shown below (G). This structure contains an amide. The oxygen atom in G is sp2 hybridized. H and J are enantiomers. H and I are enantiomers. The formula C6H10 has two degrees of unsaturation. Carbocations are good nucleophiles. Diastereomers are stereoisomers that are mirror images. Circle the appropriate answers below: A partial hydrogenation would convert an alkyne to an: Which reagent can reduce an ester? Alkene NaBH Alkane LiAlH. HC-LOH ECOH an. C D E A A B CHO CHO CH OH HO- H H-OH HO- H HO- H HOH HOH H-OH OH H- OH H -OH OH H -OH H CHỊOH , CH-OH . CHO

Answer 1

1. FALSE rate of SN1 depends on the concentration of substrate only since formation of carbocation is the rds and in this there is no role of nucleophile

2. FALSE : In B number of hyperconjugative structure (more number of alpha H) is present hence B is more stable than A

3. TRUE : higher pKa means less acidic . electron donating group decreases the acidic character hence its pKa will be higher

4. TRUE : IR region at 1700 -1710 will be of typical carbonyl absorption hence this statement is true

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