CBSE
Multiple Choice QuestionsNitogen dioxide and sulphur dioxide have some properties in common. which property is shown by one of these, comounds but not the order?
Forms acid -rain
Is a reducing -agent
Is a soluble in water
Is a soluble in water
Hydrolysis of (CH3)2SiCl2 and CH3SiCl3 leads to:
linear chain and cross linked silicones respectively
cross linked and linear chain silicones respectively
linear chain silicones only
cross linked silicones only
Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules?
Cl2>Br2>F2>I2
Br2>I2>F2>Cl2
F2>Cl2>Br2>I2
F2>Cl2>Br2>I2
Among the following, the correct order of acidity is
HClO<HClO2<HClO3<HClO4
HClO2<HClO<HClO3<HClO4
HClO4<HClO<HClO <HClO3
HClO4<HClO<HClO <HClO3
Which is the correct statement for the given acids?
Phosphinic acid is a monoprotic acid while phosphonic acid is a diprotic acid.
phosphinic acid is a diprotic acid while phosphonic acid is a monoprotic acid
Both are triprotic acids
Both are triprotic acids
The maximum bond angle at nitrogen is present in which of the following?
NO2
NO2-
NO2+
NO2+
The product obtained as a result of a reaction of nitrogen with CaC2 is
CaCN
CaCN3
Ca2CN
Ca2CN
Match the compounds given in column I with the hybridization and shape given in column II and mark the correct option.
|
Column I |
Column II |
|
A.XeF6 |
1.Distorted octahedral |
|
B.XeO3 |
2.Square planar |
|
C.XeOF4 |
3.Pyramidal |
|
D.XeF4 |
4.Square pyramidal |
|
A
|
B
|
C
|
D
|
|
A
|
B
|
C
|
D
|
|
A
|
B
|
C
|
D
|
|
A
|
B
|
C
|
D
|
Moderate electrical conductivity is shown by
silica
graphite
diamond
carborundum
Which of the following options represents the correct order?
O2-> O2>O2+
O2-<O2<O2+
O2->O2<O2+
O2->O2<O2+
