Chemical Bondin...

Polarity in a molecule and hence the dipole moment depends primarily on electronegativity of the constituent atoms and shape of a molecule. Which of the following has the highest dipole moment?

The types of hybrid orbitals of nitrogen in NO₂⁺, NO⁻₃ and NH⁺₄ respectively are expected to be

Isostructural species are those which have the same shape and hybridisation. Among the given species identify the isostructural pairs.

Species having same bond order are :

Which of the following statements are not correct?

Rank the bonds in the set C=O, C-O, C≡O in order of decreasing bond length

Rank the bonds in the set C=O, C-O, C≡O in order of decreasing bond strength

Quartz is very hard and melts at1 550^∘C. Reason is:

Chemical bond implies ___________.

$$Cl+Cl\rightarrow Cl_{2}$$, this is an example for __________.

The number of electron pairs present in the valency shell of central atom in $$SF_{6}$$ molecule are:

Molecule having maximum number of covalent bonds is:

Which of the following statement is correct?

The molecule having maximum number of sigma bonds in it is:

The maximum number of H-bonds formed by a water molecule is:

Valence bond theory of Pauling and Slater accounts for the following characteristic of covalent bond:

The electronegative elements between which the H-bond is formed principally in aqueous ammonia are:

Molecule having maximum number of lone pairs of electrons on central atom is: