The number of N2 molecules present in 28 nitrogen is

Question

The number of N2 molecules present in 28 nitrogen is

A. 2 x 10

B. 6 x $^{10^{22}}$

C. 6 x $^{10^{23}}$ approximately

D. 5 x $^{10^{30}}$ approximately

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Which of the following phrases would be incorrect to use?

A. An atom of an element

B. An atom of a compound

C. A molecule of a compound

D. A molecule of an element

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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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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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One mole of gas is defined as

A. The number of molecules in 22.4 litres of gas at S.T.P

B. The number of molecules contained | in 6 grams of 12 C isotope

C. The number of molecules in one formula weight of gas

D. The number of molecules in litre of gas

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The number of molecules in 32 gms of oxygen in

A. 6.02 x $^{10^{10}}$

B. 3.2 x $^{10^{23}}$

C. 6.02 x $^{10^{22}}$

D. 32 x $^{10^{10}}$

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Match box has the symmetry of which of the following systems?

A. Cubic

B. Orthorhombic

C. Tetragonal

D. Monoclinic

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Which compound possesses greatest lattice energy?

A. LiF

B. NaF

C. KF

D. CsF

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The number of molecules in 4.25 gm of ammonia are approximately

A. $0.5 \times 10^{23}$

B. $1.5 \times 10^{23}$

C. $2.5 \times 10^{23}$

D. $3.5 \times 10^{23}$

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Boltzmann constant is given by

A. R

B. R+N

C. R:N

D. R-N

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Gases deviate from the ideal behaviour because their molecules

A. possess negligible volume

B. have forces of attraction between them

C. are polyatomic

D. are not attracted to one another

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Which of the following statement wrong?

A. In solid state molecules, atoms or ions are held with a strong force of attraction and are in a fixed position

B. In liquid state the molecules, atom or ions are held with a strong force and have a restricted motion

C. In gaseous states, the molecules are randomly arranged and are apart from each other

D. Solid, liquid and gaseous states have different movement is particles

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Correct gas equation is

A. $\frac{P_{1} V_{1}}{P_{2} V_{2}} = \frac{T_{1}}{T_{2}}$

B. $\frac{V_{1} T_{2}}{P_{1}} = \frac{P_{2} T_{1}}{T_{2}}$

C. $\frac{P_{1} T_{1}}{V_{1}} = \frac{P_{2} T_{2}}{V_{2}}$

D. $\frac{V_{1} V_{2}}{T_{1} T_{2}} = P_{1} P_{2}$

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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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Which of the following methods is used to determine the atomic weight?

A. Victor Meyer's method

B. Dumas' method

C. Cannizaro's method

D. None of these

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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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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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The ionic radii of $R b^{+}$ and $B r^{-}$ ions are 1.47 $\overset{°}{A}$ and 1.95 $\overset{°}{A}$ , respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is

A. NaCl type

B. CsCl type

C. Zinc blende structure

D. Wurtzite structure

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22.4 litres of $S O_{2}$ at 27.3°C and 1 atmosphere pressure shall weigh

A. 32 g

B. 16 g

C. 44.8 g

D. 48.5 g

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Which of the following will have low heat of fusion?

A. a molecular solid

B. an ionic solid

C. a metallic solid

D. a network of covalent solid

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6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

A. volumes

B. molecules

C. atoms

D. temperature

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The best electrical conductor of the following is

A. $C O_{2}$ (s)

B. Si(s)

C. NaCl (fused)

D. $B r_{2}$ (I)

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Which one of the following contains same number of molecules as 4.4 gm of carbon dioxide (mol. wt. of $C O_{2}$ = 44, Mol, wt. of $S O_{2}$ = 64)?

A. 64 gm of sulphur dioxide

B. 4.4 gm of sulphur dioxide

C. 6.4 gm of sulphur dioxide

D. 3.2 gm of sulphur dioxide

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Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

A. $N H_{3}$ ,

B. $B r_{2}$

C. $C C l_{4}$

D. $O_{2}$

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22.4 litre of any gas at N.T.P. will contain

A. One gram equivalent

B. One gram atomic weight

C. One gram atom

D. One gram molecule

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If the tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

A. $X_{2} Y$

B. XY

C. $X Y_{2}$

D. $X_{2} Y_{3}$

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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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What types of forces are present in molecular solids?

A. electrovalent bonds

B. hydrogen bonds

C. metallic bonds

D. Van der Waal's forces

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The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

A. 1.086:1

B. 1:1.086

C. 2 :1.086

D. 1.086 : 2

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Which of the following should be most viscous?

A. $C H_{3} O H$

B. $C H_{3} C H_{2} O H$

C. $C H_{3} O C H_{3}$

D. $H O C H_{2} C H_{2} O H$

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Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ 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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Accepted Answer

C. 6 x

^{10^{23}}

approximately

The number of N2 molecules present in 28 nitrogen is

Correct Answer :

Show all State of Matter MCQ

Related Questions

Which of the following phrases would be incorrect to use?

In zinc blende structure, the zinc atoms occupy

Cubic close packed arrangement of ions is described as

One mole of gas is defined as

The number of molecules in 32 gms of oxygen in

Match box has the symmetry of which of the following systems?

Which compound possesses greatest lattice energy?

The number of molecules in 4.25 gm of ammonia are approximately

Boltzmann constant is given by

Gases deviate from the ideal behaviour because their molecules

Which of the following statement wrong?

Correct gas equation is

Absolute zero is the temperature at which

Which of the following methods is used to determine the atomic weight?

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

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

The ionic radii of $R b^{+}$ and $B r^{-}$ ions are 1.47 $\overset{°}{A}$ and 1.95 $\overset{°}{A}$ , respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is

22.4 litres of $S O_{2}$ at 27.3°C and 1 atmosphere pressure shall weigh

Which of the following will have low heat of fusion?

6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

The best electrical conductor of the following is

Which one of the following contains same number of molecules as 4.4 gm of carbon dioxide (mol. wt. of $C O_{2}$ = 44, Mol, wt. of $S O_{2}$ = 64)?

Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

22.4 litre of any gas at N.T.P. will contain

If the tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

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

What types of forces are present in molecular solids?

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Which of the following should be most viscous?

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.

Also checkout

The number of N2 molecules present in 28 nitrogen is

Correct Answer :

Show all State of Matter MCQ

Related Questions

Which of the following phrases would be incorrect to use?

In zinc blende structure, the zinc atoms occupy

Cubic close packed arrangement of ions is described as

One mole of gas is defined as

The number of molecules in 32 gms of oxygen in

Match box has the symmetry of which of the following systems?

Which compound possesses greatest lattice energy?

The number of molecules in 4.25 gm of ammonia are approximately

Boltzmann constant is given by

Gases deviate from the ideal behaviour because their molecules

Which of the following statement wrong?

Correct gas equation is

Absolute zero is the temperature at which

Which of the following methods is used to determine the atomic weight?

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

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

The ionic radii of Rb+ and Br- ions are 1.47 A° and 1.95 A°, respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is

22.4 litres of SO2 at 27.3°C and 1 atmosphere pressure shall weigh

Which of the following will have low heat of fusion?

6.If the reactants and products both are in gaseous phase they bear a simple ratio in their

The best electrical conductor of the following is

Which one of the following contains same number of molecules as 4.4 gm of carbon dioxide (mol. wt. of CO2 = 44, Mol, wt. of SO2 = 64)?

Normal boiling points values are for NH3, - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

22.4 litre of any gas at N.T.P. will contain

If the tetrahedral sites in ccp arrangement of negative ions (Y) were half filled with cation (X), the empirical formula of the compound would be

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

What types of forces are present in molecular solids?

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Which of the following should be most viscous?

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

Also checkout

The ionic radii of $R b^{+}$ and $B r^{-}$ ions are 1.47 $\overset{°}{A}$ and 1.95 $\overset{°}{A}$ , respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is

22.4 litres of $S O_{2}$ at 27.3°C and 1 atmosphere pressure shall weigh

Which one of the following contains same number of molecules as 4.4 gm of carbon dioxide (mol. wt. of $C O_{2}$ = 44, Mol, wt. of $S O_{2}$ = 64)?

Normal boiling points values are for $N H_{3}$ , - 34C, bromine 58°C, carbon tetrachloride 77°C and oxygen - 183°C. Which of these liquids has the highest vapour pressure at room temperature?

Sodium chloride has fee structure. How many $N a^{+}$ and $C l^{-}$ ions are there in the unit cell?.