General Introduction of Organic Chemistry

Total number of $\sigma$ and $\pi$-bonds are in naphthalene is:

In which of the following molecules, all atoms are not coplanar?

Which one of the following does not have ${\mathrm{sp}}^2$ hybridised carbon ?

In the compound, , the  $C2-C3$ bond is of the type –

The hybridisation of carbon atoms in the C-C single bond of  $\mathrm{H}-\mathrm{C}\equiv \mathrm{C}-\mathrm{CH}={\mathrm{CH}}_{2 }$is:

Which of the following represent the given mode of hybridisation  $s{p}^2-s{p}^2-sp-sp$ from left to right?

In the molecule given above how many atoms are unhybridised.

The ratio of $\mathrm{sp},{\mathrm{sp}}^2$ and ${\mathrm{sp}}^3$ hybrid orbitals in the following molecule is

${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{C}=\mathrm{CH}-\mathrm{C}\equiv \mathrm{C}-{\mathrm{CH}}_3$

Write the maximum number of atoms having same hybridisation in the following structure

The carbon atoms in ${\mathrm{C}}_2{\left(\mathrm{CN}\right)}_4$ are

The molecule which contains ${\mathrm{\sigma }}_{{\mathrm{sp}}^3-{\mathrm{sp}}^3}$ and ${\mathrm{\sigma }}_{{\mathrm{sp}}^3-\mathrm{p}}$ bond in it is

The number of $\sigma$ and $\pi$ bonds in the compound

respectively are 

The hybridisation  of the above oxygen atoms of -OH group is

Draw the complete formula of methane according to the structural model.

In Wedge-Dash notation for three-Dimensional representation of an organic molecule, the dashed bond represents.

In the ball-and-stick model, both the atoms and the _____ are shown in the molecule of methane.

The decreasing order of catenation among the Group-$14$ elements is

Arrange the following $\mathrm{C}-\mathrm{H}$ bonds $\left(\mathrm{\alpha }, \mathrm{\beta }, \mathrm{\gamma }\right)$ in decreasing order of bond energy :

How many pi bonds and sigma bonds are present in following molecule?

Give the structure of the following compound: 

 $1,1,1$-Trichloroethane