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

Generally the bond formed by metals with non-metals is

Question # 2

XeF4has shape of

Question # 3

Water H2O is liquid while hydrogen sulphide H2S is a gas beause

Question # 4

The electronegativity of elements in a period from left to right

Question # 5

Shielding effect intervening electrons causes

Question # 6

The nature of interparticle forces in benzene is

Question # 7

Mg becomes isoelectronic with neon when it

Question # 8

Generally ionization energy of atoms decreases by

Question # 9

The atomic radius of hydrogen is 37

Question # 10

Three sp2hybrid are co-planar at an angle of

Question # 11

Inter molecular forces in solid hydrogen are

Question # 12

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

Question # 13

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

Question # 14

Which of the following charge

Question # 15

On the basis of VSEPR theory SO2is a

Question # 16

The electronegativeities of F,Cl,Br and I are 4.0,3.0,2.8,2.5 respectively.Hydrogen halide with a high percentage of ionic character is

Question # 17

An ionic compound M2S3is formed by the metal M,, the metal is

Question # 18

The bond order in No is 2.5 while that in NO+is 3.Which of the following statements is true for these two species?

Question # 19

Which of the following has polar bond

Question # 20

Which carbon is more electronegative?

Question # 21

When an electron is absorbed in an empty or partially filled orbital of an atom, the energy released is called

Question # 22

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

Question # 23

Elements have the tendency to attain 8 electrons in their valence shell. This is known as

Question # 24

The ionic bonds are

Question # 25

Which of the following molecules has a net dipole moments

Question # 26

H-bonding is not present in

Question # 27

Generally electron affinities for elements in a period from left to right

Question # 28

When two hydrogen atoms approach to form a chemical bond

Question # 29

Coordinate covalent bond is present in the molecules

Question # 30

Planar geometry of molecules is due to

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ECAT Class Chemistry Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The bond order of individual C - C bond is benzene is
A. One
B. Two
C. Between one and two
D. One and two alternately
3 Atomic number of Al is 13. When it forms ionic bond with oxygen the number of electrons lost by 1 Al atom is
A. 1
B. 2
C. 3
D. 4
4 Generally the bond formed by metals with non-metals is
A. Ionic
B. Covalent
C. Polar
D. Non- polar
5 Ca, Mg, Be, Ba, belong to the same group, the order of their ionization energy values is
A. Be > Mg> Ca > Ba
B. Ba > Ca > Mg > Be
C. Ca > Mg > Be > Ba
D. Ba > Mg > Ca > Be
6 Tripple bond is present in
A. O2
B. H2
C. N2
D. Cl2
7 Which for the following has no dipole moment
A. HCI
B. H2S
C. H2O
D. CO2
8 Molecular orbital picture of N2 indicates
A. One unpaired electron
B. Two unpaired electron
C. No unpaired electron
D. None of these
9 On the basis of VSEPR theory SO2is a
A. Liner molecule
B. A bent molecule
C. A strong molecule
D. A gaseous molecule
10 B-atom in BF3has
A. sp3hybridization
B. sp2hybridization
C. sp hybridization
D. no hybridization

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