Chemical Bonding Questions

The bond angles of NH₂⁻, NH₃, and NH₄⁺ are in the order:

In which of the following species the angle around the central atom is exactly equal to 109°28′ :

The bond angle in H₂O molecule is less than that of NH₃ molecule because:

Out of XeF₆, CH₄ and SF₄ the molecules having regular geometry are:

The magnitude of the lattice energy of a solid increases if:

Which of the following compound does not follow octet rule:

Which of the following statement is not correct -

Intramolecular H-bonding is present in :

The phosphate of a metal has the formula MHPO₄. The formula of its chloride would be:

Which of the following has been arranged in order of decreasing dipole moment:

The hybrid state of B in BF₄⁻ is :

In a change from PCl₃ → PCl₅, The hybrid state of P change from:

Which of the following statement is incorrect of PCl₅:

Which carbon is more electronegative:

A hybrid orbital formed from s-and p-orbital can contribute to:

Which of the following statements is correct about N₂ molecule:

Species having zero dipole moment:

What conclusion can be draw from the fact that BF₃ has no dipole moment but PF₃ does:

The correct order of dipole moment is:

Dipole moment is shown by :

Which of the following species are polar: (1) C₆H₆ (2) XeF₂ (3) SO₂ (4) SF₄ (5) SF₆ correct answer is:

Which of the following molecule have zero dipole moment:

BeF₂ has zero dipole moment whereas H₂O has dipole moment because:

Which of the following has maximum bond strength -

N₂ and O₂ are converted into monoanions, N₂⁻ and O₂⁻ respectively. Which of the following statements is wrong?

Which of the following ion has not bond order of 2.5 ?

Which of the following species will have the minimum bond energy:

Which of the following group of molecules have 2½ bond order:

The bond order of CO molecule on the basis of molecular orbital theory is:

Higher is the bond order, greater is:

Which of the following has fractional bond order?

The paramagnetic property of oxygen is well explained by:

In which of the following set, the value of bond order will be 2.5:

Increasing order of bond length in NO, NO⁺ and NO⁻ is:

In the following which of the two are paramagnetic: (1) N₂ (2) CO (3) B₂ (4) NO₂ correct answer is:

Which of the following is paramagnetic:

The ion that is isoelectronic with CO and having same bond order is :

The bond-orders of the given species are such that -

Which of the following option w.r.t. increasing bond order is correct?

The number of antibonding electron pairs in O₂²⁻ molecular ion on the basis of molecular orbital theory is (at no. O = 8):

Which of the following will be octahedral:

Among the following compounds the one that is polar and has the central atom with sp³ hybridisation is:

The shape of I₃⁻ is :

Which of the following having a square planner structure is:

The type of hybrid orbitals used by chlorine atom in ClO⁻, ClO₂⁻, ClO₃⁻ and ClO₄⁻ is/are:

Which of the molecule is trigonal bipyramidal :

In which following set of compound/ion has linear geometry :

The shape of sulphate ion is:

Which of the following elements can not exhibit sp³d hybridisation state: (1) C (2) P (3) Cl (4) B Correct answer is:

Which of the set of species have same hybridisation state but different shapes: