Chemistry Mcqs Online Test 10

Chemistry Mcqs Online Test 10 Preparation Question Answer

Energy of atom in compound is?

. Higher than individual
Lesser than individual
No change
Impossible to predict

Correct!

Wrong!

Which of the following have their outer most shell complete in atomic form?

Noble gases
Alkali metals
. Coinage metals
Gun metals

Correct!

Wrong!

In O2 each oxygen atom is hybridized?

sp3
sp2
sp
All

Correct!

Wrong!

When 2 lone pair and 2 bond pair are around the central atom reduction in the bond angle is up to?

109.5?
104.5?
107.5?
102?

Correct!

Wrong!

Force responsible to hold atoms together in a compound is called?

Bond
Attractive force
Interaction
All of above represent same entity

Correct!

Wrong!

The molecule having ?-bond?

H2O
C2H6
O2
NH3

Correct!

Wrong!

A specie with maximum number of unpaired electrons?
 

F
H2O
HF
NH-2

Correct!

Wrong!

Molecular orbitals are filled according to?

Auf bau principle
Hunds rule
Paulis Exclusion principle
All these

Correct!

Wrong!

Which one shows high %age of the ionic character?
 

H2O
HF .
HCI
HBr

Correct!

Wrong!

Measurement of the degree of polarity is?

Electron affinity
Ionic character
Ionization energy
Dipole moment

Correct!

Wrong!

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