Organic Chemist...

Indicate the wrongly named compound.

Two members of a homologous series have different:

The synthetic steroid ethynylestardiol (1) is a compuond used in the birth control pill.
How many asymmetric (stereogenic) centres are present in compound (1) ?

The functional groups present in Cortisone are:

IUPAC name of 4-iso-propyl-m-xylene is:

Identify which functional group are not present in the given compound?

The product $$X$$ is :

Which combination is best for preparation of the compound $$(A)$$ shown below ?

What is the major product of the given reaction?
$${CH}_{3}-C\equiv N\xrightarrow [ { Et }_{ 2 }O ]{ { CH }_{ 3 }MgI }\quad \xrightarrow [  ]{ { H }_{ 3 }{ O }^{ \oplus  } } $$

To convert $$1-$$butyne to $$1-D-$$butanal, one would carry out the following steps :
(I) Sodium amide, then $$D_{2}O$$
(II) Disiamy Iborane, then hydrogen peroxide/sodium hydroxide
(III) The transformation can not be carried out with the indicated reagents.