Organic Chemistry Answers

How to prepare 1 phenyl 1,3butanedione from acetoacetitic ester

Why Halogens are deactivating but Ortho para directing

Give reterosynthesis and synthesis reaction of 1-(4-bromophenyl)ethanol.

Give reterosynthesis and synthesis reaction of 4-methylpentanenitrile.

Give reterosynthesis and synthesis reaction of 3-methylpentanoic acid.

Give reterosynthesis and synthesis reaction of (E)-pent-3-en-2-one.

Give reterosynthesis and synthesis reaction of ((isopentyloxy)methyl)benzene.

Which of the following statements regarding enantiomers is not true?
A) All (+) enantiomers are levorotatory
B) All (-) enantiomers rotate plane polarized light in a counterclockwise direction
C) (+) and (-) enantiomers rotate plane polarized light in opposite directions
D) All R enantiomers are dextrorotatory

8. Which compounds above (I-IV) form a set of stereoisomers?

A) I, II and III
B) II, III and IV
C) II and III
D) I, III and IV
E) I, II, III and IV

9. Which compound would show optical activity?

A) cis 1, 4- dimethylcyclohexane
B) trans 1, 4- dimethylcyclohexane
C) cis 1,4- dimethylcycloheptane
D) trans 1, 4- dimethylcycloheptane