Chemical Bonding & Molecular Structure Test

Result

Chemical Bonding & Molecular Structure Test - 58

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Weekly Quiz Competition

Question 1
4 / -1

Practical dipole movement of HCl is 1.03 D. If bond length of HCl is 1.275 A^o than what will be the percentage of ionic nature in HCl ?

A
7

B
17

C
43

D
21

Solution
Question 2
4 / -1

Which sentence is correct with respect to bond enthalpy ?

A
As bond order is more, then bond dissociation enthalpy is less

B
As atomic volume is more, then bond energy is more

C
As bond enthalpy is more, then stability of molecule or ion is less

D
As number of nonbonding election pair on bonded atom then bond enthalpy is less
Question 3
4 / -1

Mention proper order of bond length given below.

A

B

C

D
Question 4
4 / -1

Which rule is violated in the given electronic configuration ?

A
Aufbau

B
Pauli

C
Hund

D
Given all
Question 5
4 / -1

Mention AB₄F₂ type molecule.

A
BrF₅

B
XeF₄

C
SF₆

D
XeOF₄
Question 6
4 / -1

Which of the following is the correct order for lone pair and bonding pair electrons ?
Lp = Lone pair and Bp = Bonding pair

A
Lp - Lp > Lp - Bp > Bp - Bp

B
Lp - Bp > Lp - Lp > Bp - Bp

C
Bp - Bp > Lp - Lp > Lp - Bp

D
Lp - Lp > Bp - Bp > Lp - Bp
Question 7
4 / -1

Which of the following have equal bond order ?

A

B
CN^–

C

D
B and C
Question 8
4 / -1

The type of bond present in CuSO₄.5H₂O

A
covalent and co-ordinate covalent

B
electrovalent and covalent

C
electrovalent and co-ordinate covalent

D
electrovalent, covalent and co-ordinate covalent
Question 9
4 / -1

Which of the following statement is wrong

A
sp² hybrid orbitals are formed from two p - atomic and one s - orbitals

B
hybridization is the mixing of atomic orbitals prior to their combing into molecular orbitals

C
d²p² hybrid orbitals are all at go to one an other

D
d²sp³ hybrid orbitals are directed towords the corners of a regular tetrahedron
Question 10
4 / -1

Molecular shape of SF₄ , CF₄ , XeF₄ are

A
the same with 1, 1 and 1 lone pairs of electrons respectively

B
different with 1, 0 and 2 lone pairs of electrons respectively

C
different with 0, 1 and 2 lone pairs of electrons respectively

D
different with 2, 0 and 1 lone pairs of electrons respectively