ECAT Pre Engineering Chemistry Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 6 Chemical Bonding

Try The MCQ's Test For ECAT Chemistry Chapter 6 Chemical Bonding

  • Total Questions30

  • Time Allowed30

ECAT Chemistry Chapter 6 Chemical Bonding

00:00
Question # 1

H-bonding is not present in

Question # 2

Number of sigma bonds in P4O10is

Question # 3

Which for the following has no dipole moment

Question # 4

SnCI2have ______ shape

Question # 5

The bond order of individual C - C bond is benzene is

Question # 6

The ionic bonds are

Question # 7

Coordinate covalent bond is present in the molecules

Question # 8

Two H-atom combine to form a strong H2molecule due to

Question # 9

Which carbon is more electronegative?

Question # 10

Antibonding MO is formed by

Question # 11

The shape of the molecule SF2Cl2is

Question # 12

The nature of interparticle forces in benzene is

Question # 13

Question Image
Question # 14

The bond order O2molecule is

Question # 15

According to VSEPR theory, the shape of the water molecule is

Question # 16

The formation of compounds like PF5, BCI3, SF6indicates that

Question # 17

Which one of these is weakest?

Question # 18

Ionization energies increase from left to right along the period due to

Question # 19

Planar geometry of molecules is due to

Question # 20

The bond order for He2molecule is

Question # 21

In OF2, number of bond pairs and Ione paris of electrons are respectively

Question # 22

The number of antibonding electron pairs in O2-molecular ion on the basis of MOT is

Question # 23

Generally the bond formed by metals with non-metals is

Question # 24

From the difference between expected bond energies for the normal covalent bond and experimentally determined values Pauling calculated the values of

Question # 25

Hydrogen chloride molecule contains

Question # 26

The boiling point of heavy water is

Question # 27

In sp2hybridization bond angle is _____

Question # 28

Electronegativity values of the elements F, CI and Br vary

Question # 29

In H2O molecule the bond angle is

Question # 30

A molecule in which sp2hybrid orbitals are used by the central atom in forming covalent bonds in

Prepare Complete Set Wise ECAT Chemistry Chapter 6 Chemical Bonding MCQs Online With Answers


Top Scorers Of ECAT Chemistry Chapter 6 Chemical Bonding MCQ`s Test

  • T
    Tanzeel Ur Rehman 28 - May - 2024 04 Min 11 Sec 115/120
  • A
    Abdullah Zubair 20 - Dec - 2024 04 Min 30 Sec 115/120
  • M
    M Umer Arain 03 - Nov - 2024 00 Min 04 Sec 100/120
  • M
    Manar Abbas 01 - Jun - 2024 04 Min 15 Sec 85/120
  • S
    Sania Iqbal 14 - May - 2024 06 Min 15 Sec 80/120
  • M
    Mirza Sibgha 27 - Jul - 2024 10 Min 11 Sec 80/120
  • G
    GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 29 - May - 2024 13 Min 02 Sec 80/120
  • F
    Faisal Mehar 30 - May - 2024 16 Min 02 Sec 80/120
  • Z
    zakee 09u 30 - Nov - 2024 17 Min 43 Sec 80/120
  • M
    Maryam Fatima 18 - Mar - 2024 04 Min 46 Sec 75/120
  • N
    Noor Fatima 14 - Nov - 2024 06 Min 24 Sec 75/120
  • N
    Nayab Shahzad 08 - May - 2024 11 Min 21 Sec 70/120
  • M
    Muntasir Khokhar 21 - May - 2024 05 Min 39 Sec 65/120
  • N
    Naheed Yasir 26 - May - 2024 13 Min 03 Sec 65/120
  • S
    Shahid Baloxh 11 - May - 2024 14 Min 20 Sec 65/120
Sr.# Question Answer
1 In OF2, number of bond pairs and Ione paris of electrons are respectively
A. 2,6
B. 2,8
C. 2,10
D. 2,9
2 The three N - Hσ-bonds are made by
A. sp3- s overlap
B. sp2- s overlap
C. P - p overlap
D. sp - overlap
3 The shape of gaseous SnCl2is
A. Tetrahedral
B. Linear
C. Angular
D. T-shaped
4 Water H2O is liquid while hydrogen sulphide H2S is a gas beause
A. Water has higher molecular weight
B. Hydrogen sulphide is a weak acid
C. Sulphure has high electronegativity than oxyhe
D. Water molecules associate through hydrogen bonding
5 When of the following is isolelectronic with krypton
A. Ca++
B. Al+++
C. Br-1
D. I-1
6 Number of sigma bonds in P4O10is
A. 6
B. 7
C. 17
D. 16
7 Which of the following molecules has unpaired electrons in anti-bonding molecular orbitals?
A. O2
B. N2
C. Br2
D. F2
8 Which of the following has zero depole-moment?
A. CIF
B. PCl3
C. SiF4
D. CFCl4
9 The geometry of 4 sp3hybrid orbitals on an atom is
A. Square planar
B. Tetrahedral
C. Trigonal planar
D. Linear
10 Elements have the tendency to attain 8 electrons in their valence shell. This is known as
A. Octer rule
B. Hunds rule
C. Pauli exclusion principle
D. Auf ban principle
11 Which of the following statements is not correct regarding bonding molecular orbitals?
A. Bonding molecular orbitals possess less energy than atomic orbitals from which they are formed
B. Bonding molecular orbitals have low electron density between the two nuclei
C. Every electron in the bonding molecular orbitals contributes to the attraction between atoms
D. Bonding molecular orbitals are formed when the electron waves undergo constructive interference
12 From the difference between expected bond energies for the normal covalent bond and experimentally determined values Pauling calculated the values of
A. Ionization potential of elements
B. Electron affinity of elements
C. Electronegativity of elements
D. Bond length
13 The bond angle depends upon the
A. Types of bonds
B. Number of bonds
C. Non-bonding electron pairs
D. All of the above
14 Antibonding MO is formed by
A. Addition of atomic orbitals
B. Substraction of atomic orbitals
C. Multiplication of atomic orbitals
D. None of these
15 Size of an anion is increased as compared to its atom because of the
A. Addition of new shell
B. Repulsion of electrons in the valence shell
C. Decrease in nuclear charge
D. Increase in the unclear charge
16 Which of the following is a polar molecules
A. Carbon dioxide
B. Carbon tetrachloride
C. Methanol
D. Ethane
17 The number of electron pairs shared in carbon tetrachloride molecule is
A. 2
B. 3
C. 4
D. 1
18 The atomic radius of hydrogen is 37
A. Pecometer
B. Manometer
C. Angstrom
D. Micrometer
19 Shielding effect intervening electrons causes
A. Decreases in atomic radii in a period from right to left
B. Increase in atomic radii in a period from left to righ t
C. Decrease in atomic radii down the group
D. Increase in atomic radii down the group
20 Coordinate covalent bond is present in the molecules
A. H2O
B. BF3
C. SiO2
D. SO2
21
Question Image
A. Excitantion of an electron from 2s to 2p-orbital
B. Transfer of three electrons from B to the other atoms
C. Excitation of two electrons form 2s orbital to 2p orbital
D. Formation of molecular ion
22 The structure of ICI2is
A. Trigonal
B. Trigonal bipyramidal
C. Octahedral
D. Square planar
23 Covalent compounds are soluble in
A. Polar solvents
B. Non-polar solvents
C. Concentrated acids
D. All solvents
24 In a group the atomic size increase downward due to
A. Addition of electronic shells
B. Increase in the proton number
C. Repulsion of electrons
D. All of the above
25 Among the alkaline earth metals the element forming predominantly covalent compounds is
A. Be
B. Mg
C. Sr
D. calcium
26 Which of the following geometry is associated with the compound in which the central atom assumes sp3d hybridization?
A. Planar
B. Pyramidal
C. Angular
D. Trigonal bipyramidal
27 Which of the following molecules have its central atom sp2hybridized
A. CH4
B. C2H2
C. C2H4
D. CCl4
28 Which of the following has highest bond order
A. Choice 1
B. Choice 2
C. Choice 3
D. Choice 4
29 Atoms obey octet rule by sharing-electrons making covalent bonds according to
A. Lewis and Kossal theory
B. Valance bond theory
C. VSEPR theory
D. Molecular orbital theory
30 Which of the following molecules have sp3hybridized carbon
A. CH4
B. C2H4
C. C2H2
D. CO2

Test Questions

Is this page helpful?