Isomerism in Alkanes

What are N and M ?

  

${\mathrm{C}}_2$  is rotated  $\mathrm{120°\hspace{0.17em}}\mathrm{about}\hspace{0.17em}{\mathrm{C}}_2-{\mathrm{C}}_3$ bond. The resulting conformer is

The stable conformer of ethane is

Isomers which can be interconverted through rotation around a single bond are

Which among the following is an isomer of propanol?

The number of primary, secondary, teritary and quanternary carbons in neopentane are respectively

The number of different chain isomers in ${\mathrm{C}}_7{\mathrm{H}}_{16}$.

The incorrect statement regarding conformations of ethane is:

${\mathrm{C}}_2{\mathrm{H}}_6$ newman projection find incorrect information.

Which of the following is the most preferred conformation of ethane molecule

What is incorrect order of stability?
$\left(\mathrm{I}\right)$
$\left(\mathrm{I}\mathrm{I}\right)$
$\left(\mathrm{I}\mathrm{I}\mathrm{I}\right)$ Boat form of $1,\mathrm{}4-\mathrm{c}\mathrm{y}\mathrm{c}\mathrm{l}\mathrm{o}\mathrm{h}\mathrm{e}\mathrm{x}\mathrm{a}\mathrm{n}\mathrm{d}\mathrm{i}\mathrm{o}\mathrm{l}\mathrm{}>\mathrm{C}\mathrm{h}\mathrm{a}\mathrm{i}\mathrm{r}\mathrm{}\mathrm{f}\mathrm{o}\mathrm{r}\mathrm{m }\mathrm{}\mathrm{o}\mathrm{f }\mathrm{}\mathrm{1,4}-\mathrm{c}\mathrm{y}\mathrm{c}\mathrm{l}\mathrm{o}\mathrm{h}\mathrm{e}\mathrm{x}\mathrm{a}\mathrm{n}\mathrm{d}\mathrm{i}\mathrm{o}\mathrm{l}$
$(\mathrm{I}\mathrm{V})$
$\left(\mathrm{V}\right)$ Gauche form of succine acid > Anti from of succinic acid

What is the number of all the isomers of octane with five carbons in their principal chain?

What is the number of all the isomers of octane with five carbons in their principal chain?

What is the minimum number of carbon atoms of an alkane must have to form an isomer?

The conformation of isopentane having maximum torsional and maximum Van der waal strain is

How many conformational isomers of butane are chiral.

The most stable configuration of succinic acid in Newmann Projection is:

For which of the following molecules, Gauche form is more stable than Anti.

$\mathrm{i}.$ ${\mathrm{H}}_2\mathrm{ }\mathrm{N}-\mathrm{C}{\mathrm{H}}_2-\mathrm{C}{\mathrm{H}}_2-\mathrm{N}{\mathrm{H}}_2$

$\mathrm{i}\mathrm{i}.$ ${\mathrm{H}}_2\mathrm{ }\mathrm{N}\mathrm{ }–{\mathrm{C}\mathrm{H}}_2-{\mathrm{C}\mathrm{H}}_2-\mathrm{C}\mathrm{O}-\mathrm{Z}$

$\mathrm{i}\mathrm{i}\mathrm{i}.$ $\mathrm{H}\mathrm{O}-\mathrm{ }{\mathrm{C}\mathrm{H}}_2-{\mathrm{C}\mathrm{H}}_2-\mathrm{C}\mathrm{O}-\mathrm{Z}$

For which of the following molecules, Gauche form is more stable than Anti.

$\mathrm{i}.$ $\mathrm{M}\mathrm{e}-{\mathrm{C}\mathrm{H}}_2-{\mathrm{C}\mathrm{H}}_2-\mathrm{M}\mathrm{e}$   $\mathrm{i}\mathrm{i}.$ $\mathrm{H}\mathrm{O}-{\mathrm{C}\mathrm{H}}_2-{\mathrm{C}\mathrm{H}}_2-\mathrm{O}\mathrm{H}$
$\mathrm{i}\mathrm{i}\mathrm{i}.$ $\mathrm{H}\mathrm{O}-{\mathrm{C}\mathrm{H}}_2-{\mathrm{C}\mathrm{H}}_2-\mathrm{F}$

For the given Newman projection,




The configuration is