MCQ
Triple bond in ethyne is formed from
  • A
    Three sigma bonds
  • B
    Three pi bonds
  • One sigma and two pi bonds
  • D
    Two sigma and one pi bond

Answer

Correct option: C.
One sigma and two pi bonds
(c)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Which of the following species is non linear?
The given graph is a representation of kinetics of a reaction.

$[Image]$

The $y$ and $x$ axes for zero and first order reactions, respectively are

Ether on heating at high temperature in Presence of air form explosive compound. The structure of this compound is
Solution $A, B$ and $C$ of the same strong electrolyte offered resistances of $50\ \Omega $ , $100\ \Omega $ and $150\ \Omega $ in given conductivity cell. The resistance observed if they are mixed in a volume proportion which is reciprocal of their resistances and tested in the same conductivity cell would be ............. $\Omega $
Which of the following has maximum mass
The octahedral complex of a metal ion $M^{3+}$ with four monodentate ligands $L_1, L_2, L_3$ and $L_4$ absorb wave lengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is :
Which of the following is wrong representation
Identify correct statements from below:

$A$. The chromate ion is square planar.

$B$. Dichromates are generally prepared from chromates.

$C$. The green manganate ion is diamagnetic.

$D$. Dark green coloured $\mathrm{K}_2 \mathrm{MnO}_4$ disproportionates in a neutral or acidic medium to give permanganate.

$E$. With increasing oxidation number of transition metal, ionic character of the oxides decreases.

Choose the correct answer from the options given below:

The density of  $' x\ ' M$ solution $(' x\ ' $ molar$)$ of $\ce{NaOH }$ is $1.12 g\  mL ^{-1}$. while in molality, the concentration of the solution is $3 m \ ( 3$ molal$).$ Then $x$ is
$($Given : Molar mass of $\ce{NaOH}$ is $40 g / mol )$
Which compound posses highest dipole moment ?