Tetravalency of Carbon

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

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:

Organic compounds are formed due to presence of _____ bonding.

The cylindrical shape of alkynes is due to

Describe shape of alkene.

Describe the shape of alkanes.

Which type of geometry is present in carbon atom of diamond? (Octahedral/ Tetrahedral)

How many carbon atoms show tetrahedral geometry in the given structure?

The change in the state of hybridization of the asterisks carbon in the following reaction.

$\mathrm{C}{\mathrm{H}}_3-{\mathrm{C}}^{\mathrm{*}}\equiv \mathrm{N}\stackrel{{\mathrm{H}}_3{\mathrm{O}}^{+}}{\to }\mathrm{ }\mathrm{C}{\mathrm{H}}_3{\mathrm{C}}^{\mathrm{*}}\mathrm{O}\mathrm{N}{\mathrm{H}}_2$ is

With a change in hybridization of the carbon bearing the charge, the stability of a carbanion increases in the order

The compound 1, 2-butadiene has

The compound $1,2-$butadiene has:

Which of the following orbital overlaps are involved in the formation of the carbon-carbon single bond in the molecule $\mathrm{H}\mathrm{C}\equiv \mathrm{C}-\mathrm{C}\mathrm{H}={\mathrm{C}\mathrm{H}}_2$?

In the reaction

$\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{N}\stackrel{{\mathrm{H}}_3{\mathrm{O}}^{+}}{\underset{\mathrm{h}\mathrm{e}\mathrm{a}\mathrm{t}}{\to }}\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}$

the hybridization state of the functional carbon changes from

The nodal plane in the $\pi$-bond of ethene is located in:

The hybridization of central carbon atom in $1,2$- propadiene (allene) is

In the dehydration reaction $\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{N}{\mathrm{H}}_2\stackrel{{\mathrm{P}}_2{\mathrm{O}}_5\mathrm{ }}{\to }\mathrm{C}{\mathrm{H}}_3\mathrm{C}\equiv \mathrm{N},\mathrm{ }$ the hybridization state of carbon change from

Which of the following represents the given mode of hybridization ${\mathrm{sp}}^2-{\mathrm{sp}}^2-\mathrm{sp}-\mathrm{sp}$ from left to right?

The shape of the $\pi$electron cloud in acetylene is:

The hybridization of carbon atoms in $\mathrm{C}-\mathrm{C}\mathrm{ }$single bond of $\mathrm{H}\mathrm{C}\equiv \mathrm{C}-\mathrm{C}\mathrm{H}=\mathrm{C}{\mathrm{H}}_2$ is