If the boiling point of H 2 O is 373 K , and the boiling point of H 2 S will be :

greater than 300 K but less than 373 K

Match the type of interaction in column A with the distance dependence of their interaction energy in column B : A B (i) ion - ion (a) 1 r (ii) Dipole - dipole (b) 1 r 2 (iii) London dispersion (c) 1 r 3 (d) 1 r 6

(i) – (a); (ii) – (c); (iii) – (d)

(i) – (b); (ii) – (d); (iii) – (c)

(i) – (a); (ii) – (b); (iii) – (d)

(i) – (a); (ii) – (b); (iii) – (c)

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Which of the following statement is correct?

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Important Questions on Chemical Bonding and Molecular Structure

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Which one of the following compounds shows the presence of intramolecular hydrogen bond?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Given:

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On the basis of data given above, predict which of the following gases shows the least adsorption on a definite amount of charcoal?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

The variation of the boiling points of the hydrogen halides is in the order

H F > H I > H B r > H C l

. Which of the following option explains the higher boiling point of hydrogen fluoride?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Hydrogen bonding plays a central role in the following phenomena:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

In which of the following solid substance dispersion forces exist?

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Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

The increasing order of the boiling points for the following compounds is:

(I)

C_{2} H_{5} OH

(II)

C_{2} H_{5} Cl

(III)

C_{2} H_{5} {CH}_{3}

(IV)

C_{2} H_{5} {OCH}_{3}

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Among the following four aromatic compounds, which one will have the lowest melting point?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

The increasing order of boiling points of the following compounds is :

Question Image

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

The dipole-dipole interaction energy between rotating polar molecules is proportional to, where '

r

' is the distance between polar molecules.

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Dipole - induced dipole interactions are present between which of the following pairs?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Among the compounds

A

and

B

with molecular formula

C_{9} H_{18} O_{3},

A

is having higher boiling point than

B .

The possible structures of

A

and

B

are:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Rare gases are sparingly soluble in water because of

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

If the boiling point of

H_{2} O

373 K

, and the boiling point of

H_{2} S

will be :

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

What is the actual volume occupied by water molecules present in

20 {cm}^{3}

of water?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Consider the following molecules and statements related to them:

Question Image

(a) (B) is more likely to be crystaline than (A)

(b) (B) has higher boiling point than (A)

Identify the correct option from below:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Which of the following has the strongest H-bond ?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Which of the following does not form intra-molecular hydrogen bonding?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Which effect best explains that

o

-nitrophenol is insoluble in water?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Give reason:

H_{2} O

is a liquid and

H_{2} S

is a gas.

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Hydrogen Bonding and its Application

Match the type of interaction in column $A$ with the distance dependence of their interaction energy in column $B :$

A	B
(i) ion - ion	(a) $\frac{1}{r}$
(ii) Dipole - dipole	(b) $\frac{1}{r^{2}}$
(iii) London dispersion	(c) $\frac{1}{r^{3}}$
	(d) $\frac{1}{r^{6}}$

Which of the following statement is correct?

Important Questions on Chemical Bonding and Molecular Structure

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