Question

The number and type bonds between two carbon atoms in CaC2 are

Solution

Correct option is

One sigma (σ) and two pi (π) bonds

Calcium cabide is an ionic compound  which produces acetylene on reacting with water. Thus structure of C2– is . It has one σ and two π bonds.

SIMILAR QUESTIONS

Q1

A molecule XY2 contains two , two -bonds and one lone pair in valence shell of X. The arrangement of lone pair as well as bond pair is

Q2

Which of the following hybride is ionic?

Q3

Among , unpaired electron is present in 

Q4

The critical temperature of water is higher than that of O2 because the H2O molecule has

Q5

Which of the following molecules is linear?

Q6

A covalent molecule AB4 (not a complex) will have which of the following hybridisation if it is square planar.

Q7

A diatomic molecule has a dipole moment of 1.2D. If the bond distance is 1.0Å, what function of an electronic charge, e, exists on each atom?

Q8

The dipole moment of LiH is  and the interatomic distance between Li and H in this molecule is 1.596Å. What is the per cent ionic character in LiH?

Q9

Which of the following gains electrons more easily?