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What is the correct answer?

4

Volume occupied by 4.4 gift of carbon dioxide is

A. 4.4 litres

B. 2.24 litres

C. 22.4 litres

D. 4.48 litres

Correct Answer :

B. 2.24 litres


Related Questions

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4

The pressure of the ideal gas is less than the real gas because of the

A. increase in the number of collisions

B. volume occupied by the molecules

C. inter-molecular attraction

D. finite size of molecules

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4

At 303 K ethanol has a vapour pressure of about 0.118 atm., acetic acid has the vapour pressure of about 0.039 atm., and ethyl iodide has a vapour pressure of about 0.263 atm. Which of the following represents the correct order of increasing normal boiling point ?

A. CH3COOH<C2H5OH<C2H5I

B. C2H5I<CH3COOH<C2H5OH

C. C2H5I<C2H5OH<CH3COOH

D. C2H5OH<C2H5I<CH3COOH

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4

The number of atoms in 0.004 gm of magnesium is close to

A. 36x   105

B.  1020

C. 5 x  1020

D. 6.02 x 1023

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4

The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends upon the

A. pressure of a gas

B. temperature of the gas

C. volume of the gas

D. pressure, temperature and volume of the gas

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4

The coordination number of each sphere in hcp arrangement is

A. 12

B. 8

C. 6

D. 4

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4

The best electrical conductor of the following is

A. CO2(s)

B. Si(s)

C. NaCl (fused)

D. Br2(I)

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4

Indicate the most volatile liquid of the following:

A. CH3OH

B. CH3OCH3

C.  H2O

D. CH3CH2OCH2CH3

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4

Absolute zero is the temperature at which

A. water freezes

B. all gases become liquid

C. all substances are solid

D. molecular motion ceases

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4

The number of atoms per unit cell in bcc arrangement is

A. 1

B. 4

C. 3

D. 2

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4

Sodium chloride has fee structure. How many Na+ and Cl- ions are there in the unit cell?.

A. 6 and 6

B. 4 and 4

C. 1 and 1

D. 6 and 4

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4

The limiting radii ratio for the tetrahedral geometry is

A. 0.155

B. 0.444

C. 0.732

D. 0.225

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4

The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

B. 6 x 1022

C. 6 x 1023 approximately

D. 5 x 1030 approximately

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4

The number of tetrahedral and octahedral voids per atom in a crystal lattice are, respectively

A. 1,1

B. 2,2

C. 2,1

D. 2,6

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4

Avogadro stated that under similar conditions of temperature and pressure equal volumes of all gases contain equal number of

A. atoms

B. molecules

C. electrons

D. ions

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4

Number of molecules of carbon dioxide present in 44 gm CO2 is

A. 12 x 1023 approximately

B. 3 x  1010 approximately

C. 6 x  1010 approximately

D. 3 x 1023 approximately

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4

At a given temperature and pressure 2 volumes of A combine with 5 volumes of B to form 2 volumes of C, and 1 volume of A combines with one volume of B to form 2 volumes of D. Then the formula of C is

A. AB5

B. A5B2

C.  A2B5

D. AB

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4

The vapour density of a gas is 11.2. The volume occupied by 2.4 g of the gas at S.T.P wil be

A. 2.4 litres

B. 3.6 litres

C. 2.24 litres

D. 11.2 liters

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4

The electrical conductivity of metals is of the order of

A. 1012ohm-1cm-1

B. 108ohm-1cm-1

C. 102ohm-1cm-1

D. 10-6ohm-1cm-1

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4

Cubic close packed arrangement of ions is described as

A. ABC AB ABC.....

B. ABC ABC......

C. AB AB..........

D. ABC CBA...

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4

The ionic radii of Mg+2  and O-2 are 0.66 A° and 1.40 A° , respectively. The most probable type of gteometry exhibited by MgO on the basis of radius ratio rule is

A. NaCl type

B. CsCl type

C. ZnS type

D. Boron oxide type

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4

An example of covalent solid is

A. diamond

B. NaCl

C. Copper

D. CO2

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4

In fluorite structure coordination number of calcium ions is

A. 4

B. 6

C. 8

D. 3

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4

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

A. N

B. 2N

C. N/2

D. N2

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4

In zinc blende structure, the zinc atoms occupy

A. all tetrahedral sites

B. all octahedral sites

C. half of the octahedral sites

D. half of the tetrahedral sites

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4

The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

A. 224 litres

B. 2.24 litres

C. 11.12 litres

D. 1.12 litres

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4

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

A. become half of 740 mm

B. remain unchanged

C. become 1/9 of 740 mm

D. become double of 740 mm

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4

A balloon filled with ethane is pricked up with sharp point and quickly plunged into a tank of hydrogen at the same pressure. After some time balloon will

A. be enlarged

B. be collapse

C. remain unchanged in size

D. have half its volume of the gas

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4

Volume occupied by 4.4 gift of carbon dioxide is

A. 4.4 litres

B. 2.24 litres

C. 22.4 litres

D. 4.48 litres

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4

The wt. of 2.8 litres of a gas at N.T.P. is 3.50 gms. Its V.D. is

A. 20

B. 28

C. 32

D. 14

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4

The vol. of 20 gm. of hydrogen at N.T.P. is

A. 22.4 litres

B. 112 litres

C. 12 litres

D. 224 litres