StudentAidUnit 3: Unit 3: Chemical Bonding — Mcqs
11th Class Chemistry · Unit 3: Chemical Bonding
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1.Chemical bond formation takes place when
2.An ionic compound A⁺B⁻ is most likely to be formed when
3.Which of the following molecules has zero dipole moment?
4.The numbers of σ and π bonds in the N₂ molecule are:
5.Which of the following species has unpaired electrons in antibonding molecular orbitals?
6.The shape of ICl₅ according to the VSEPR model is:
7.Which of the following molecules has a dipole moment?
8.How many electrons are present in the valence shell of P in PO₄³⁻?
9.How many extra electrons than a normal octet are there in the valence shell of I in ICl₅?
10.What is the type of [ICl₄]⁻ according to the VSEPR model?
11.Which of the following molecules has a central atom with sp³ hybridization and a tetrahedral electron pair geometry?
12.Which of the following species contains a dative bond?
Chemical Bond
13.In which of the following molecules, ionic bond is found?
14.Which of the following has all the three characters i.e. ionic, covalent and coordinate covalent?
15.Which one is a polar molecule?
16.Which one is a non-polar molecule?
17.Which of the following shows incorrect bond polarity?
18.Which of the following molecules has zero dipole moment?
19.The most electronegative atom is:
20.The weakest bond is:
21.Which of the following elements has incomplete octet after making the bond?
22.Octet rule is not obeyed by which of the following compounds during its formation?
23.Covalent bonds are:
Electronegativity Difference
24.If the electronegativity difference between bonded atoms is more than 0.5 but less than 1.7, the bond will be:
25.Tendency of an atom to attract the shared pair of electrons is called:
Bond Length and Energy
26.The bond distance between H - H is:
27.The bond formation energy of a compound is:
28.The actual bond length in a polar covalent compound is:
29.The expected bond energy of HCl is lesser than the actual, this is because:
Dipole Moment
30.The molecule with greatest dipole moment is:
31.Which will have zero dipole moment?
32.The SI Unit for dipole moment is:
33.One Debye is equal to:
34.Dipole moment is the product of:
35.Dipole moment of CO₂ is:
VSEPR Theory
36.The molecule with linear structure is:
37.The number of lone pair of electrons in ammonium ion is:
38.Which one is phosphonium Ion?
39.What is molecular geometry of SO₄²⁻ ion?
40.Which one is not AB₄ type molecule according to VSEPR theory?
Hybridization
41.sp³ Hybridization is associated with structure:
42.Which type of hybridization of C occurs in CO₂?
43.The bond angle in ethene molecule is:
44.Which of the following molecules show sp hybridization of central atom?
45.What is bond angle in NF₃?
46.Which of the following hybridizations is found in ethyne?
Molecular Orbital Theory (MOT)
47.Which one of the following will show paramagnetic property?
48.Which of the following statements is not correct regarding bonding molecular orbitals?
49.Which of the following molecules has unpaired electrons in antibonding molecular orbitals?
50.Highest bond order is found in:
51.Paramagnetic specie is:
52.Which theory explains the paramagnetic behaviour exhibited by O₂ molecule?
53.The number of bonds in nitrogen molecules is: