Question # 1

What is bond order.

Choose an answer

Number of unpaired electrons

Number of paired electrons

Number of electrons present in antibonding molecular orbital

Number of bond formed between two atoms after overlap

The number of bonds in oxygen molecules.

Choose an answer

One sigma and One pi

One sigma and two Pi

Three sigma only

Two sig and two pi

In which one of the following pairs do the molecule have similar shape.

Choose an answer

BF3 and AlCl3

CO2 and H2O

CH4 and PH3

NH3 and BCl3

Which one of the following has no tendency of form coordinate covalent bond with H+

Choose an answer

NH3

H2O

CH4

CH3OH

Percentage ionic character of HF is.

Choose an answer

100%

80%

43%

57%

Dipole moment is defined as.

Choose an answer

Charge x distance

Charge x Debye

Charge x displacement

Charge x bond energy

In BeCl2, the covalent bond is formed due to overlap of

Choose an answer

sp -s

sp -p

sp2 -p

sp3 -p

Molecule in which the distance between two carbon atoms in the largest is.

Choose an answer

C2H6

C2H4

C2H2

C6H6

Which of the following species has unpaired electrons in anti bonding molecular orbitals

Choose an answer

O2

N2

B2

F2

In which of the following Paris, do the elements form a compound by sharing electrons.

Choose an answer

carbon and chlorine

Lithium and iodine

Neon and oxygen

Potassium ad bromine

Which one of the following molecules is paramagnetic.

Choose an answer

H2

He

N2

O2

Which statement is true about Na and Na+

Choose an answer

size of Na is greater than Na+

Size of Na is smaller than Na+

Both have equal size

Both have same properties

The bond angle in NH3 molecule is

Choose an answer

109.5^o

107.5^o

104.5^o

106^o

How many sigma and pi bonds are present in C2H2.

Choose an answer

one sigma and two pi

two pi and one sigma

Two pi and three sigma

Three pi and two sigma

The number of bonds in nitrogen molecule is

Choose an answer

One o and oneπ

One o and twoπ

Three sigma only

Two o and twoπ

Which compound does not obey the octet rule.

Choose an answer

NH3

BCl3

H2O

CH4

The paramagnetic behaviour of oxygen is well explaned on the basis of.

Choose an answer

M.O Theory

N.B Theory

VSEPR Theory

CF theory

Which bond has more ionic characters in it.

Choose an answer

C - F

N - F

O - F

F - F

More Classes

Other Links

Chemistry Fsc Part 1 Chapter 6 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer