Chemical Bonding: Chemistry Free Online Mock Test 1

1. The hybridization of the central elements and shapes of the following compounds ICl and BF₄⁻ are
(A) sp³, sp³, Linear, Td
(B) sp², sp³, Linear, Trigonal planar
(C) sp³, sp², Td, Td
(D) sp³, sp³, Linear, TBP

2. Which ion shows maximum polarizing power?
(A) Na⁺ low charge large radius
(B) Mg²⁺ moderate charge density
(C) Al³⁺ high charge small radius
(D) K⁺ large radius low density

3. The shapes of the following compounds SF₂ and PCl₃ are
(A) V-shaped and Td
(B) Td and Td
(C) V-shaped and Pyramidal
(D) Pyramidal and V-shaped

4. The rate of hydrolysis of the following salts runs as
(A) SiCl₄ > AlCl₃ > MgCl₂ > NaCl
(B) NaCl > MgCl₂ > AlCl₃ > SiCl₄
(C) MgCl₂ > AlCl₃ > NaCl > SiCl₄
(D) SiCl₄ > AlCl₃ > NaCl > MgCl₂

5. The correct order of solubility of the following salts in CCl₄
(A) LiF > LiCl > LiBr > LiI
(B) LiF > LiBr > LiCl > LiI
(C) LiI > LiBr > LiCl > LiF
(D) LiCl > LiBr > LiF > LiI

6. The correct order of the Lattice Energy of the following compounds runs as
(A) Al₂O₃ > BeSO₄ > LiF
(B) LiF > BeSO₄ > Al₂O₃
(C) BeSO₄ > Al₂O₃ > LiF
(D) LiF > Al₂O₃ > BeSO₄

7. The order of thermal stability of the following salts runs as
(A) BeSO₄ > MgSO₄ > CaSO₄ > SrSO₄
(B) SrSO₄ > CaSO₄ > MgSO₄ > BeSO₄
(C) MgSO₄ > BeSO₄ > CaSO₄ > SrSO₄
(D) CaSO₄ > BeSO₄ > MgSO₄ > SrSO₄

8. Which element shows highest first ionization enthalpy among given?
(A) Nitrogen half-filled stable state
(B) Oxygen electron repulsion exists
(C) Fluorine high nuclear attraction
(D) Neon completely filled shell stable

9. The correct order of acidity of the following compounds is as
(A) BF₃ > BCl₃ > BBr₃ > BI₃
(B) BBr₃ > BCl₃ > BF₃ > BI₃
(C) BI₃ > BBr₃ > BCl₃ > BF₃
(D) BCl₃ > BBr₃ > BF₃ > BI₃

10. The correct order of M.P. of the following compounds runs as
(A) LiF > LiCl > LiBr > LiI
(B) LiF > LiBr > LiCl > LiI
(C) LiI > LiBr > LiCl > LiF
(D) LiCl > LiBr > LiF > LiI

11. Which one will be non-existent?
(A) PbCl₄
(B) PbCl₂
(C) SbCl₅
(D) SF₄

12.

The hybridization of the central elements of the following compounds SO₂Cl₂ and ICl₃ are
(A) sp³ and sp²
(B) sp³ and sp³d
(C) sp² and sp³d²
(D) sp³ and sp³

13. The no. of pi-bonds and lone-pair of electrons present in the following molecules SF₄ and SO₂F₂ are
(A) 0, 2, 1, 0
(B) 0, 2, 13, 10
(C) 0, 1, 13, 10
(D) 2, 0, 10, 13

14. The correct order of M-H bond angle of the following molecules runs as
(A) CH₄ > NH₃ > H₂O
(B) H₂O > CH₄ > NH₃
(C) NH₃ > H₂O > CH₄
(D) CH₄ > H₂O > NH₃

15. The correct order of the solubility of the following compounds in the water is as follows
(A) BeSO₄ > MgSO₄ > CaSO₄
(B) BeSO₄ > CaSO₄ > MgSO₄
(C) CaSO₄ > MgSO₄ > BeSO₄
(D) MgSO₄ > CaSO₄ > BeSO₄