Stoichiometry MCQs

Option A: Law of Petit and Dulong

Option B: Kopp’s rule

Option C: Nernst heat theorem

Option D: Trouton’s rule

Correct Answer: B. Kopp’s rule ✔

Option A: 3 kmole/hr

Option B: 4 kmole/hr

Option C: 5 kmole/hr

Option D: 6 kmole/hr

Correct Answer: 5 kmole/hr ✔

Option A: Potential energy

Option B: Intermolecular forces

Option C: Kinetic energy

Option D: Total energy

Correct Answer: Kinetic energy ✔

Option A: 20

Option B: 32.2

Option C: 45.35

Option D: 58.65

Correct Answer: 58.65 ✔

Option A: Rotational

Option B: Vibrational

Option C: Translational

Option D: None of these

Correct Answer: Translational ✔

Option A: 82

Option B: 164

Option C: 41

Option D: 8.2

Correct Answer: 82 ✔

Option A: 13.6 cms of Hg

Option B: 34 ft ofH2O

Option C: 1 metre of H2O

Option D: 13.6 metres of Hg

Correct Answer: 34 ft ofH2O ✔

Option A: 2M

Option B: M/2

Option C: M

Option D: M/4

Correct Answer: 2M ✔

Option A: 80.38

Option B: 80

Option C: 79.62

Option D: 78.51

Correct Answer: 79.62 ✔

Option A: Sublimation

Option B: Melting

Option C: Vaporisation

Option D: All A., B. & C.

Correct Answer: D. All A., B. & C. ✔

Option A: 0.00

Option B: 0.18

Option C: 0.24

Option D: 1.00

Correct Answer: 0.18 ✔

Option A: Centipoise

Option B: Poise

Option C: Stoke

Option D: Both B. & C.

Correct Answer: Centipoise ✔

Option A: Ostwald

Option B: Cox

Option C: Mollier’s

Option D: Enthalpy-concentration

Correct Answer: Cox ✔

Option A: 10%

Option B: 5%

Option C: 18.18%

Option D: 20%

Correct Answer: 20% ✔

Option A: 1/2

Option B: 4

Option C: √2

Option D: 1/4

Correct Answer: √2 ✔

Option A: The solvent begins to freeze out even before

Option B: It will undergo no change until

Option C: It will not solidify even on

Option D: None of these

Correct Answer: It will undergo no change until ✔

Option A: Nature of the liquid

Option B: Nature of the gas

Option C: Temperature of the liquid

Option D: Total pressure

Correct Answer: Nature of the gas ✔

Option A: Mixing

Option B: Adsorption

Option C: Wetting

Option D: Complete wetting

Correct Answer: Complete wetting ✔

Option A: Nature of solvent

Option B: Concentration of solution

Option C: Nature of solute

Option D: All A., B. & C.

Correct Answer: D. All A., B. & C. ✔

Option A: 0

Option B: 10

Option C: 7

Option D: 14

Correct Answer: 7 ✔

Option A: Increasing the product yield

Option B: Enriching the product

Option C: Limiting the inerts

Option D: Heat conservation

Correct Answer: Limiting the inerts ✔

Option A: Chlorine

Option B: Nitrogen

Option C: Ethane

Option D: All the gases will have the same KE

Correct Answer: All the gases will have the same KE ✔

Option A: N

Option B: N/2

Option C: 2N

Option D: 4N

Correct Answer: N ✔

Option A: Greater for liquid state than for solid state

Option B: Lower for liquid state than for gaseous state

Option C: Higher for solid state than for liquid state

Option D: Equal for solid and liquid states below melting point

Correct Answer: Greater for liquid state than for solid state ✔

Option A: 9.03

Option B: 3.01

Option C: 1.204

Option D: 6.02

Correct Answer: 9.03 ✔

Option A: Pressure

Option B: Volume

Option C: Temperature

Option D: Molecularity

Correct Answer: Temperature ✔

Option A: Will be greater than 298 K

Option B: Will be 298 K

Option C: Will be less than 298 K

Option D: Cannot be determined

Correct Answer: Will be less than 298 K ✔

Option A: Raoult’s

Option B: Henry’s

Option C: Amagat’s

Option D: None of these

Correct Answer: B. Henry’s ✔

Option A: Kirchoff’s

Option B: Maxwell’s

Option C: Antoine

Option D: Kistyakowsky

Correct Answer: Kirchoff’s ✔

Option A: Increases its freezing point

Option B: Increases its boiling point

Option C: Decreases its freezing point

Option D: Both B. and C.

Correct Answer: D. Both B. and C. ✔

Option A: Bubble point

Option B: Saturation temperature

Option C: Dew point

Option D: Both B. and C.

Correct Answer: D. Both B. and C. ✔

Option A: PvB

Option B: xB.PvB

Option C: (Patm – Pvw)xB

Option D: xB.Patm

Correct Answer: PvB ✔

Option A: 1

Option B: 0.1

Option C: 10

Option D: 1000

Correct Answer: 1 ✔

Option A: Specific heat

Option B: 1 Kcal

Option C: Sensible heat

Option D: Latent heat

Correct Answer: Latent heat ✔

Option A: Do not lose energy on collision

Option B: Are above the inversion temperature

Option C: Do not exert attractive force on each other

Option D: Do work equal to loss in kinetic energy

Correct Answer: Do not exert attractive force on each other ✔

Option A: Osmotic pressure

Option B: Depression of freezing point

Option C: Lowering of vapor pressure

Option D: None of these

Correct Answer: None of these ✔

Option A: Potential & kinetic

Option B: Pressure

Option C: Internal

Option D: All A., B. & C.

Correct Answer: D. All A., B. & C. ✔

Option A: Doubled

Option B: Halved

Option C: Trebled

Option D: Unpredictable

Correct Answer: Unpredictable ✔

Option A: 1

Option B: 2

Option C: 4

Option D: 8

Correct Answer: 1 ✔

Option A: Equilibrium constant

Option B: Reaction rate

Option C: Changes in heat of reaction

Option D: None of these

Correct Answer: Changes in heat of reaction ✔

Option A: H+ ions are absent

Option B: OH- ions are absent

Option C: Both H+ and OH- ions are present in very small but equal concentration

Option D: None of these

Correct Answer: Both H+ and OH- ions are present in very small but equal concentration ✔

Option A: Equivalent weight

Option B: Molarity

Option C: Molality

Option D: Normality

Correct Answer: Molarity ✔

Option A: 0.16

Option B: 0.33

Option C: 0.66

Option D: 0.47

Correct Answer: 0.33 ✔

Option A: Sv

Option B: 1/St

Option C: St

Option D: 1/Sv

Correct Answer: Sv ✔

Option A: 2.79

Option B: 1.987

Option C: 3.99

Option D: None of these

Correct Answer: None of these ✔

Option A: Kg of solute/kg of solvent

Option B: Kg-mole of solute/kg-mole of solvent

Option C: Kg-mole of solute/1000 kg of solvent

Option D: All A., B. & C.

Correct Answer: D. All A., B. & C. ✔

Option A: kg/m.hr

Option B: kg/m2.hr

Option C: kg/hr

Option D: kg/m2

Correct Answer: kg/m2.hr ✔

Option A: Atomic number

Option B: Mass number

Option C: Atomic weight

Option D: Metallic characteristics

Correct Answer: Atomic number ✔

Option A: Mole fraction

Option B: Normality

Option C: Molality

Option D: Molarity

Correct Answer: Molarity ✔

Option A: Evaporation

Option B: Sublimation

Option C: Vaporisation

Option D: Melting

Correct Answer: Sublimation ✔

Option A: 0.07

Option B: 0.09

Option C: 0.11

Option D: 0.13

Correct Answer: 0.13 ✔

Option A: 180

Option B: 60.3

Option C: 720

Option D: 200

Correct Answer: 60.3 ✔

Option A: 22.4 litres

Option B: 22400 litres

Option C: 22.4 c.c

Option D: 359 litres

Correct Answer: 22.4 litres ✔

Option A: Temperature

Option B: Nature of solute

Option C: Pressure

Option D: Nature of solvent

Correct Answer: Pressure ✔

Option A: T

Option B: T0.5

Option C: T1.5

Option D: T2

Correct Answer: T ✔

Option A: 1

Option B: 0

Option C: 16

Option D: 44

Correct Answer: 0 ✔

Option A: Carbonate (monohydrate)

Option B: Chloride

Option C: Thiosulphate

Option D: Bisulphite

Correct Answer: Carbonate (monohydrate) ✔

Option A: 380

Option B: 630

Option C: 760

Option D: 880

Correct Answer: 630 ✔

Option A: 650

Option B: 700

Option C: 600

Option D: 375

Correct Answer: 650 ✔

Option A: 0°C

Option B: 0°K

Option C: -136.5°C

Option D: -136.5°K

Correct Answer: -136.5°C ✔

Option A: 28.6

Option B: 30.0

Option C: 30.6

Option D: 32.6

Correct Answer: 30.6 ✔

Option A: 1

Option B: 2.42

Option C: 4.97

Option D: None of these

Correct Answer: 1 ✔

Option A: Increasing the concentration of N2

Option B: Decrease in temperature

Option C: Increase in pressure

Option D: Decrease in pressure

Correct Answer: Decrease in temperature ✔

Option A: Hydration

Option B: Hydrolysis

Option C: Electrolysis

Option D: Dialysis

Correct Answer: Hydrolysis ✔

Option A: R

Option B: > R

Option C: < R

Option D: 0.5 R

Correct Answer: R ✔

Option A: 105 BTU

Option B: 105 kcal

Option C: 109 BTU

Option D: 109 kcal

Correct Answer: 105 BTU ✔

Option A: 1.72

Option B: 0.58

Option C: 0.5

Option D: 0.2

Correct Answer: 0.58 ✔

Option A: 32 kg

Option B: 80 kg

Option C: 64 kg

Option D: 90 kg

Correct Answer: 80 kg ✔

Option A: AB3

Option B: A2B3

Option C: A2B

Option D: AB2

Correct Answer: AB3 ✔

Option A: Nature of the solute

Option B: Nature of the solvent

Option C: Temperature

Option D: Pressure

Correct Answer: Pressure ✔

Option A: Pressure

Option B: Temperature

Option C: Solute concentration

Option D: Dilution of the solution

Correct Answer: Pressure ✔

Option A: Inversely proportional to the mass of solvent

Option B: Directly proportional to the mole of solute

Option C: Both A. and B.

Option D: Neither A. nor B.

Correct Answer: C. Both A. and B. ✔

Option A: Varies linearly

Option B: Increases

Option C: Decreases

Option D: Does not vary

Correct Answer: Increases ✔

Option A: RT

Option B: P + (a/V2)

Option C: (V – b)

Option D: 1/RT

Correct Answer: RT ✔

Option A: 30 c.c acid and 30 c.c base

Option B: 20 c.c acid and 25 c.c base

Option C: 15 c.c acid and 35 c.c base

Option D: 35 c.c acid and 15 c.c base

Correct Answer: 30 c.c acid and 30 c.c base ✔

Option A: Increases

Option B: Decreases

Option C: Remains unchanged

Option D: Either A. or B.; depends on the type of solution

Correct Answer: Decreases ✔

Option A: 0.5

Option B: 1

Option C: 1.5

Option D: 2

Correct Answer: 1 ✔

Option A: Poise

Option B: Stoke

Option C: cm2/second

Option D: None of these

Correct Answer: Poise ✔

Option A: Mass number

Option B: Number of neutrons

Option C: Atomic mass

Option D: None of these

Correct Answer: None of these ✔

Option A: Solid

Option B: Liquid

Option C: Gaseous

Option D: None of these

Correct Answer: Liquid ✔

Option A: 0.4

Option B: 0.6

Option C: 0.8

Option D: 0.2

Correct Answer: 0.6 ✔

Option A: 0.01

Option B: 0.1

Option C: 1

Option D: 10

Correct Answer: 1 ✔

Option A: 0

Option B: 1

Option C: 7

Option D: 10

Correct Answer: 0 ✔

Option A: 1/9

Option B: 8/9

Option C: 1/2

Option D: 5/9

Correct Answer: 8/9 ✔

Option A: Collide without loss of energy

Option B: Do work equal to loss in kinetic energy

Option C: Are above the inversion temperature

Option D: Exert no attractive force on each other

Correct Answer: Are above the inversion temperature ✔

Option A: 44/22400

Option B: 44/22.4

Option C: 22.4/44

Option D: None of these

Correct Answer: 44/22.4 ✔

Option A: Relative humidity

Option B: Relative saturation

Option C: Percentage saturation

Option D: None of these

Correct Answer: Percentage saturation ✔

Option A: 0

Option B: ∞

Option C: 1

Option D: None of these

Correct Answer: ∞ ✔

Option A: Termed as relative saturation

Option B: Not a function of the composition of gas mixture

Option C: Called percentage saturation

Option D: Not a function of the nature of vapor

Correct Answer: Termed as relative saturation ✔

Option A: 6

Option B: 8

Option C: 10

Option D: 12

Correct Answer: 8 ✔

Option A: Sodium chloride

Option B: Sodium carbonate monohydrate

Option C: Anhydrous sodium sulphate

Option D: Hypo

Correct Answer: Sodium chloride ✔

Option A: Its atomic number

Option B: The number of protons or electrons present in it

Option C: The number of neutrons present in it

Option D: None of these

Correct Answer: The number of neutrons present in it ✔

Option A: Increase

Option B: Decrease

Option C: Remain unchanged

Option D: None of these

Correct Answer: Decrease ✔

Option A: 1 atm. absolute pressure & 15.5°C

Option B: 760 mm Hg gauge pressure & 15.5°C

Option C: 760 torr & 0°C

Option D: 101.325 kPa gauge pressure & 15.5°C

Correct Answer: 1 atm. absolute pressure & 15.5°C ✔

Option A: 15.5

Option B: 16

Option C: 16.5

Option D: 17

Correct Answer: 16 ✔

Option A: 6

Option B: 1

Option C: 7

Option D: 10

Correct Answer: 6 ✔

Option A: 21

Option B: 29

Option C: 23

Option D: 79

Correct Answer: 29 ✔

Option A: 2/3

Option B: 1/3

Option C: 1/2

Option D: 1/3 × (298/273)

Correct Answer: 1/3 ✔

Option A: Its molecular size is very small

Option B: Its critical temperature is more than 0°C

Option C: Forces operative between its molecules are negligible

Option D: It gets solidified directly without becoming liquid

Correct Answer: Forces operative between its molecules are negligible ✔

Option A: Increases

Option B: Decreases

Option C: Remain constant

Option D: Increases linearly

Correct Answer: Decreases ✔