Mathematics o...

Mathematics of Dipole Moment

Trending Questions

Q. 9. Phenol dimerises to benzene having vant hoff factor 0.54.what degree of association is

Q. A diatomic molecule has dipole moment of 1.2 D. If the bond distance is

1.0 \circ A

, what fraction of charge e exists on each atom?

1
0.5
0.25
0.125

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Q. Which isomer is more stable?

None
Cis-hex-3-ene
Trans-hex-3-ene
Both are equally stable

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Q. A gaseous mixture was prepared by taking equal moles of

C O

and

N_{2}

. If the total pressure of the mixture was found 1 atmosphere, the partial pressure of the nitrogen

(N_{2})

in the mixture is

0.5 atm
0.8 atm
0.9 atm
1 atm

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Q. A mixture of

2

moles of

H_{2}

3

moles of

N H_{3}

4

moles of

C O_{2}

and

5

moles of

N_{2}

exerts a total pressure of

798

torr. What is the partial pressure of

C O_{2}

gas ?

$286$ torr
$117$ torr
$228$ torr
$415$ torr

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Q. Calculate the fractional charge on Bromine atom in HBr. Given dipole moment of HBr = 0.78 D, bond distance of HBr =

1.41 \circ A

, electronic charge e =

4.8 \times 10^{- 10}

e.s.u

$+ 0.11$
$- 0.11$
$- 0.22$
$+ 0.22$

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Q. Which of the following hydrocarbons has the lowest dipole moment?

$C H_{3} - C H_{2} C H = C H_{2}$
$C H_{2} = C H - C H = C H_{2}$

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Which of the following is non-polar

NaCl
H₂S
Cl₂
H₂SO₄

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Q. 38. Total number of stereoisomers of Ma2b2c2 type

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Q. If the dipole moment of AB molecule is given by 2.4 D and A-B the bond length is 1 A then % covalent character of the bond is:

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Q. A gaseous mixture contains three gases

A, B

and

C

with a total number of moles of

10

and total pressure of

10

atm. The partial pressure of

A

and

B

are

3

atm and

1

atm respectively and if

C

has molecular weight of

2

g/mol. Then the weight of

C

present in the mixture will be:

$8$ g
$12$ g
$3$ g
$6$ g

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Q. 16 g of

O_{2}

and 8 g of

H e

is present in a closed container. If total pressure of the mixture of gases in the cylinder is 15 atm then the partial pressure of

H e

in the cylinder will be:

3 atm
10 atm
6 atm
12 atm

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Q. In which of the following case(s) configuration about chiral carbon is retained?

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Q. The dipole moment of

N a C l

molecule is

8.5 D

and its bond length is

2 o A

. The percentage ionic character in this molecule will be:

$50.25 %$
$60.30 %$
$88.50 %$
$100 %$

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Q. Which of the following option(s) is/are correct regarding ionic character of metal halides?
Here

M

is a monovalent metal

$M F$ has the least ionic character
$M I$ has the least ionic character
$M F$ has the highest ionic character
$M I$ has the highest ionic character

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Q. Assertion: Sulphate is estimated as

B a S O_{4}

and not as

M g S O_{4}

.
Reason: Ionic radius of

M g^{2 +}

is smaller than that of

B a^{2 +}

Both assertion and reason are true and reason is not the correct explanation of assertion.
Both assertion and reason are true and reason is the correct explanation of assertion.
Assertion is false but reason is true.
Assertion is true but reason is false

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Q. ntA diatomic molecule has a dipole moment of 1.2D. If its bond length is equal to 10-10 (10raised to power -10) then the fraction of an electronic charge on each atom will be:-n nt1-42%n nt2-52%n nt3-37%n nt4-25%n

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Q. Expalin Dipole moment.

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Q. Which of the following molecule/molecules will be have zero dipole moment?