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Chemical Bonding and Molecular Structure — BITSAT Chemistry PYQs

43 previous year questions from Chemical Bonding and Molecular Structure with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

Chemical Bonding and Molecular Structure — BITSAT Chemistry PYQs

Intramolecular hydrogen bonding is found in

The hybridisation scheme for the central atom includes a d -orbital contribution in

In the following species, how many species have same magnetic moment? (i) Cr ²⁺ (ii) Mn ³⁺ (iii) Ni ³⁺ (iv) Sc ²⁺ (v) Zn ²⁺ (vi) V ³⁺ (vii) Ti ⁺

The spin only magnetic moment of Fe ³⁺ ion (in BM) is approximately.

Which one of the following compounds is having maximum 'lone pair-lone pair' electron repulsions?

Identify the species having one -bond and maximum number of canonical forms from the following:

sp ^3 ~d ^2 hybridisation is not displayed by :

Energy required to completely separate one mole of a solid ionic compound into gaseous. constituent ions is called

Which of the following pairs will form the most stable ionic bond?

OF and F ₂ can be compared in terms of

In which pair or pairs is the stronger bond found in the first species? I. O ₂²⁻, O ₂ ; II. N ₂, ~N ₂⁺ III. NO ⁺, NO ⁻

In the molecules CH ₄, NF ₃, NH ₄⁺ and H ₂ O

Which one of the following ions has the maximum magnetic moment?

Which of the following represents the correct order of Cl - O bond lengths in ClO ⁻, ClO ₂⁻, ClO ₃⁻, ClO ₄⁻ ?

Which of the following has the highest p -p bonding tendency?

Which of the following does not contain any coordinate bond?

Which of the following set contains species having same angle around the central atom?

In XeF ₂, XeF ₄, XeF ₆ the number of lone pairs on Xe are respectively

Which one of the following molecules will form a linear polymeric structure due to hydrogen bonding?

In the reaction 2 PCl ₅ PCl ₄⁺+ PCl ₆⁻ , the change in hybridisation is from

The incorrect statement about carbonate CO 3 2 - ion is,

Which substance has a dipole moment?

Which of the following diatomic molecules would be stabilised by the removal of an electron?

Valence electrons in the element A are 3 and that in element B are 6 . Most probable compound formed from A and B is

Which of the following are isoelectronic species? I. C + H 3 II. NH 2 - III. NH 4 + IV. NH 3

Which of the following show maximum bond-order?

In PO ₄³⁻, the formal charge on each oxygen atom and the P - O bond order respectively are

The boiling point of alkyl halide are higher than those of corresponding alkanes because of

Which one of the following does not follow octate rule?

Which of the following molecule/ion has all the three types of bonds, electrovalent, covalent and co-ordinate:

Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)?

N ₂ and O ₂ are converted into mono anions, N ₂⁻ and O ₂⁻ respectively. Which of the following statements is wrong ?

The correct order of increasing C - O bond length CO , CO ₃²⁻, CO ₂ is:

Using MOT, which of the following pairs denote paramagnetic species?

The vapour pressure of is higher than due to

Bond enthalpies of H ₂, X ₂ and HX are in the ratio 2: 1: 2 . If enthalpy of formation of HX is -50 ~kJ mol ⁻¹, the bond enthalpy of X ₂ is

The boiling point of water is exceptionally high because

A bonded molecule MX ₃ is T-shaped. The number of non bonded pair of electrons is

The correct bond order in the following species is:

Which of the following statements is/are true? 1. PH ₅ and BiCl ₅ do not exist. 2. p -d bond is present in SO ₂ 3. I ₃⁺ has bent geometry. 4. SeF ₄ and CH ₄ , have same shape.

Which of the following two are isostructural?

Which of the following has zero dipole moment?

Interparticle forces present in nylon 66 are