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In which of the following ionic compounds, H_{f} is negative

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In which of the following ionic compounds, $Δ H_{f}$ is negative only due to lattice energy ? (i) $NaF$ (ii) $MgO$ (iii) $Li_{3} N$ (iv) $Na_{2} S$

Only (iv)
Only (iii), (iv)
Only (ii), (iii), (iv)
All of these

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Emma Discussed

In which of the following ionic compounds,

Δ H_{f}

is negative only due to lattice energy ? (i)

NaF

(ii)

MgO

(iii)

Li_{3} N

(iv)

Na_{2} S

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Practice more questions on Chemical Bonding

Question 1

Easy

Which of the following is known as Lunar caustic?

$NaOH$
$KOH$
$AgNO_{3}$
$Fe (NO_{3})_{2}$

Topic:

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Book:

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View 2 solutions

Question 2

Medium

For the series of competitive reactions.

H + H O_{2} ⟶ K_{1} H_{2} + O_{2}

H + H O_{2} ⟶ K_{2} 2 O H

H + H O_{2} ⟶ K_{3} H_{2} O + O

It has been found that

K_{1} : K_{2} : K_{3} = 0.60 : 0.30 : 0.10

. The molar ratio of the products,

H_{2}

O_{2}

O H

H_{2} O

and

O

, at time is

$6 : 6 : 6 : 1 : 1$
$6 : 6 : 3 : 1 : 1$
$3 : 3 : 6 : 0.5 : 0.5$
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Book:

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Question 3

Easy

The correct statement(s) for the packing of identical spheres in two dimensions is/ are

For square close packing, the coordination number is $4$ .
For HCP, the coordination number is $6.$
There is only one void per sphere in both, square and HCP.
HCP is more efficiently packed than square close packing.

Topic:

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Book:

Problems and Solutions in Physical Chemistry for JEE (Main and Advanced)

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Question 4

Hard

A (C_{5} H_{12} O)

ether, on reaction with

PCl_{5}

form alkyl chloride

B

and

C

B

and

C

both on reaction with aqueous

KOH

form alcohol

D

and

E

. Both

D

and

E

give the iodoform test. Identify the correct answers.

$C$ is $C H_{3} C H_{2} C H_{2} Cl$

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Book:

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Question 2

Q.101 Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules possess permanent dipole moment at room temperature.

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(1) $BF_{3}, O_{3}, SF_{6}, XeF_{6}$
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Question 3

(2) ICl_{4}^{-} (3) SF_{4}

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2, Linear
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Question 4

Which of the following will have maximum dipole moment?

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Topic:

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View 6 solutions

Question Text	In which of the following ionic compounds, $Δ H_{f}$ is negative only due to lattice energy ? (i) $NaF$ (ii) $MgO$ (iii) $Li_{3} N$ (iv) $Na_{2} S$
Topic	Chemical Bonding
Subject	Chemistry
Class	Class 12

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In which of the following ionic compounds, ΔHf​ is negative only due to lattice energy ? (i) NaF (ii) MgO (iii) Li3​ N (iv) Na2​ S

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Students who ask this question also asked

In which of the following ionic compounds, $Δ H_{f}$ is negative only due to lattice energy ? (i) $NaF$ (ii) $MgO$ (iii) $Li_{3} N$ (iv) $Na_{2} S$