MCQ- 46
C2O42- → 2CO2 + X e–
The ‘X’ electrons in the above equation are
A. 1
B. 3
C. 2
D. 4
Answer C
MCQ- 47
If the enthalpy of products is more than reactants, the value of ∆H is denoted by
A. Positive sign
B. Has no sign
C. Negative sigh
D. Nature of reaction
Answer: A
MCQ- 48
Which is used to measure the enthalpy of combustion?
A. Glass calorimeter
B. Bomb calorimeter
C. Copper Calorimeter
D. Flame Calorimeter
Answer: B
MCQ- 49
If the number of moles of the product is more than that of the reactant than
A. qp = qv
B. qp > qv
C. qp < qv
D. qp = qv/2
Answer: B
MCQ- 50
The amount of heat required to convert one mole of a solid directly into its vapour state at STP is called as
A. Standard heat of sublimation
B Heat of reaction
C. Molar heat of vaporization
D. Heat of neutralization
Answer: A
