Atomic weight of the metal is 4
Equivalent weight of the metal is 4
Atomic weight of the metal is 2
Equivalent weight of the metal is 8
✅ The correct answer is option B.
Statiometery MCQs
A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO₂, 0.05 gm mole of oxygen and 0.80 gm mole of N₂. What is its molecular weight?
28.6
30
30.6
32.6
✅ The correct answer is option C.
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes
1
8
4
2
✅ The correct answer is option C.
Gases diffuse faster compared to liquids because of the reason that the liquid molecules
Are held together by stronger inter-molecular forces
Move faster
Have no definite shape
Are heavier
✅ The correct answer is option A.
Which of the following gases is the most soluble in water?
NH₃
CO₂
H₂S
CH₄
✅ The correct answer is option A.
For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to
0
1
< 1
> 1
✅ The correct answer is option B.
For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by
Increasing the concentration of N₂
Decrease in temperature
Increase in pressure
Decrease in pressure
✅ The correct answer is option B.
The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be
Basic
More acidic
Neutral
Of the same acidity
✅ The correct answer is option A.
1 kg/cm² is equal to
760 torr
1KPa
10 metres of water column
1 metre of water column
✅ The correct answer is option C.
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.
3
> 3
< 3
< 1
✅ The correct answer is option B.