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Intermolecular forces

The intermolecular force of attraction between non-polar molec

Question

Easy

Solving time: 2 mins

The intermolecular force of attraction between non-polar molecules is called

H-bonding

dispersion forces

interionic attraction

adhesive forces

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Book:

New Pattern JEE Problems Chemistry for JEE Main and Advance( Master Problem Package) (Arihant)

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Text solutionVerified

(b) dispersion forces

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Practice questions from New Pattern JEE Problems Chemistry for JEE Main and Advance( Master Problem Package) (Arihant)

Question 1

Medium

A mixture of

Ar (40)

and

N_{2}

gases have a density of

1.40 g L^{- 1}

at STP. Hence, weight fraction of

N_{2}

approximately in the mixture is

$0.3$
$0.7$
$0.4$
$0.5$

Topic:

States of Matter

Book:

New Pattern JEE Problems Chemistry for JEE Main and Advance( Master Problem Package) (Arihant)

View 6 solutions

Question 2

Medium

Rate of effusion of LPG (a mixture of

n

-butane and propane) is

1.25

times that of

SO_{3}

. Hence, mass fraction of

n

-butane in LPG is

$0.75$
$0.25$
$0.50$
$0.67$

Topic:

States of Matter

Book:

New Pattern JEE Problems Chemistry for JEE Main and Advance( Master Problem Package) (Arihant)

View solution

Question 3

Medium

1 L

NH_{3}

is formed at

STP

according to reaction,

N_{2} + 3 H_{2} ⟶ 2 NH_{3}

moles of

H_{2}

required under identical condition would be

$3 mol$
$1.5 mol$
$0.067 mol$
$0.134 mol$

Topic:

States of Matter

Book:

New Pattern JEE Problems Chemistry for JEE Main and Advance( Master Problem Package) (Arihant)

View 2 solutions

Question 4

Medium

Consider a sample of helium and a sample of neon, both at

3 0^{\circ} C

and

1.5 atm

. Both samples have a volume of

5.0 L

. Which statement concerning these samples is not true?

Each sample contains the same number of atoms of gas
Each sample weighs the same amount
Each sample contains the same number of moles of gas
The density of the neon is greater than the density of the helium

Topic:

States of Matter

Book:

New Pattern JEE Problems Chemistry for JEE Main and Advance( Master Problem Package) (Arihant)

View solution

Practice more questions from States of Matter

Question 1

Medium

While resting, the average human male uses

0.2 dm^{3}

O_{2}

per hour at

STP

for each

kg

of body mass. Assume that all this

O_{2}

is used to produce energy by oxidising glucose in the body. What is the mass of glucose required per hour by a resting male having mass

60 kg

. What volume, at

STP

CO_{2}

would be produced?

Topic:

States of Matter

Book:

Physical Chemistry I for IIT JEE Main and Advanced (McGraw Hill)

View 5 solutions

Question 2

Medium

Select the incorrect graph regarding Boyle's Iaw

Topic:

States of Matter

View 2 solutions

Question 3

Medium

What weight of hydrogen at STP could be contained in a vessel that holds

4.8 g

oxygen at STP?

$4.8 g$
$3.0 g$
$0.6 g$
$0.3 g$

Topic:

States of Matter

Book:

New Pattern JEE Problems Chemistry for JEE Main and Advance( Master Problem Package) (Arihant)

View solution

Question 4

Hard

The van der Waals constant

b

for methane gas is

6.9 \times 1 0^{- 5}

m^{3}

per mole. Find the radius of methane molecule.

Topic:

States of Matter

Book:

IIT-JEE Super Course in Chemistry - Physical Chemistry (Pearson)

View solution

Practice questions on similar concepts asked by Filo students

Question 1

A bulb of three litre capacity filled with air is heated from

2 7^{\circ} C

t^{\circ} C

. The air thus expelled measured

1.45

litre

30 at $1 7^{\circ} C$ . Considering the pressure to be $1 atm$ throughout the experiment and ignoring the expansion of bulb. calculate $t$ .
$22 7^{\circ} C$
$30 0^{\circ} C$
$32 7^{\circ} C$
$44 7^{\circ} C$

Topic:

Gases & Solutions

View solution

Question 2

Scientists are constantly discovering new compounds, orderly arranging the facts about them, trying to explain with the existing knowledge, organising to modify the earlier views or evolve theories for explaining the newly observed facts. Matter is made up of one or different type of elements. Under normal conditions no other element exists as an independent atom in nature, except noble gases. However, a group of atoms is found to exist together as one species having characteristic properties. Such a group of atoms is called a molecule. Obviously there must be some force which holds these constituent atoms together in the molecules. The attractive force which holds various constituents (atoms, ions, etc.) together in different chemical species is called a chemical bond. Since the formation of chemical compounds takes place as a result of combination of atoms of various elements in different ways, it raises many questions. Why do atoms combine? atoms combine while certain others do not? Why do molecules possess definite shapes? To answer such questions different theories and concepts have been put forward from time to time. These are Kössel-Lewis approach, Valence Shell Electron Pair Repulsion (VSEPR) Theory, Valence Bond (VB) Theory and Molecular Orbital

(MO)

Theory. The evolution of various theories of valence and the interpretation of the nature of chemical bonds have closely been related to the developments in the understanding of the structure of atom, the electronic configuration of elements and the periodic table. Every system tends to be more stable and bonding is nature's way of lowering the energy of the system to attain stability.

Topic:

Chemical Bonding

View solution

Question 3

In each of the following complexes, rationalize the number of observed unpaired electrons (stated after the formula):

(a) [Mn (CN)_{6}]^{4 -} (1)

(b)

[Mn (CN)_{6}]^{2 -} (3)

(c)

[Cr (en)_{3}]^{2 +} (4); (d) [Fe (ox)_{3}]^{3 -} (5); (e) [Pd (CN)_{4}]^{2 -} (0)

(\mathrm{g})\left[\mathrm{NiBr}_{4}\right]^{2-}(2)

(f)

\left[\mathrm{CoCl}_{4}\right]^{2-}(3)$

Topic:

Chemistry

View solution

Question 4

Experiments show that the reaction of nitrogen dioxide with fluorine Overall reaction:

2 NO_{2} (g) + F_{2} (g) ⟶ 2 FNO_{2} (g)

hasthe rate lawInitial reaction rate

= k [NO_{2}] [F_{2}]

and the reaction is thought to occur in two steps.Step 1:

NO_{2} (g) + F_{2} (g) ⟶ FNO_{2} (g) + F (g)

Step 2:

NO_{2} (g) + F (g) ⟶ FNO_{2} (g)

(a) Show that the sum of this sequence of reactions gives the balanced equation for the overall reaction.(b) Which step is rate-determining?

Topic:

Chemistry

View solution

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Question Text	The intermolecular force of attraction between non-polar molecules is called
Topic	States of Matter
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1
Upvotes	76