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

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ECAT Chemistry Chapter 6 Chemical Bonding

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Question # 1

XeF4has shape of

Question # 2

When two hydrogen atoms approach to form a chemical bond

Question # 3

The formation of compounds like PF5, BCI3, SF6indicates that

Question # 4

Generally the bond formed by metals with non-metals is

Question # 5

Shielding effect intervening electrons causes

Question # 6

Which for the following has no dipole moment

Question # 7

During the formation of a chemical bond the potential energy of the system

Question # 8

Electronegativity values of the elements F, CI and Br vary

Question # 9

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

Question # 10

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

Question # 11

The shape of methanol, ammonia and water molecule can be explained by assuming

Question # 12

H-bonding is not present in

Question # 13

Which of the following molecules have multiple bonds

Question # 14

Which one of these is weakest?

Question # 15

Ionic radius, in a period from left to right

Question # 16

When of the following is isolelectronic with krypton

Question # 17

Which of the following molecules has a net dipole moments

Question # 18

Nitrogen in NH3is sp3hybridized but the bond angle in NH3is 107° and not 109.5° due to

Question # 19

Ca, Mg, Be, Ba, belong to the same group, the order of their ionization energy values is

Question # 20

Which of the following statements is not correct regarding bonding molecular orbitals?

Question # 21

The number of electron pairs shared in carbon tetrachloride molecule is

Question # 22

SnCI2have ______ shape

Question # 23

Outer shells of two elements X and Y have two and six electrons respectively. If they combine, the expected formula of compound will be

Question # 24

Which of the following is a polar molecules

Question # 25

The atomic radius of hydrogen is 37

Question # 26

Which of the following molecules have its central atom sp2hybridized

Question # 27

The electron affinity of chlorine may be represented by the equation

Question # 28

Which of the following molecules have sp3hybridized carbon

Question # 29

A bond between two atoms may be obtained by sharing of electrons such a bond is called

Question # 30

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

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ECAT Chemistry Chapter 6 Important MCQ's

Sr.# Question Answer
1 SnCI2have ______ shape
A. Planner
B. Tetrahedral
C. Angular
D. None
2 Inter molecular forces in solid hydrogen are
A. Covalent forces
B. Van der Waal forces or London dispersion forces
C. Hydrogen bonds
D. All of these
3 Which of the following molecules has a net dipole moments
A. CO2
B. CS2
C. SO2
D. CCI4
4 A bond between two atoms may be obtained by sharing of electrons such a bond is called
A. An ionic bond
B. A coordinate bond
C. A dative bond
D. A covalent bond
5 Outer shells of two elements X and Y have two and six electrons respectively. If they combine, the expected formula of compound will be
A. XY
B. X2Y
C. X2Y3
D. XY2
6 On the basis of VSEPR theory SO2is a
A. Liner molecule
B. A bent molecule
C. A strong molecule
D. A gaseous molecule
7 The number of electron pairs shared in carbon tetrachloride molecule is
A. 2
B. 3
C. 4
D. 1
8 B-atom in BF3has
A. sp3hybridization
B. sp2hybridization
C. sp hybridization
D. no hybridization
9 Among the alkaline earth metals the element forming predominantly covalent compounds is
A. Be
B. Mg
C. Sr
D. calcium
10 The bond angle depends upon the
A. Types of bonds
B. Number of bonds
C. Non-bonding electron pairs
D. All of the above

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