nmdcat.online

Practice Questions

For the reaction C + O₂ → CO₂, the theoretical yield of CO₂ from 12 g of Carbon (C=12 g/mol) is:

A. 12 g
B. 22 g
C. 32 g
D. 44 g ✓
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

In the reaction 2H₂ + O₂ → 2H₂O, the theoretical yield of water from 2 moles of H₂ is:

A. 1 mole
B. 2 moles ✓
C. 4 moles
D. 0.5 moles
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

The amount of product specified in the calculation is the:

A. Actual yield
B. Theoretical yield ✓
C. Mole ratio
D. Excess amount
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

The percent yield can be thought of as the ratio of what you ______ to what you ______, multiplied by 100.

A. should get, actually got
B. actually got, should get ✓
C. start with, end with
D. end with, start with
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

A low percent yield might prompt a chemist to investigate for:

A. A better balanced equation
B. A faster reaction pathway
C. Possible side reactions or purification issues ✓
D. A different catalyst
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

In industrial chemistry, maximizing the ______ is a primary economic goal.

A. theoretical yield
B. number of side reactions
C. actual yield ✓
D. cost of reactants
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

The theoretical yield assumes that ______ of the limiting reactant is converted to product.

A. 50%
B. 75%
C. 90%
D. 100% ✓
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

A perfect reaction with no loss of product would have a percent yield of exactly:

A. 50%
B. 99%
C. 100% ✓
D. 110%
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

The actual yield is typically given in units of:

A. Moles
B. Grams (mass) ✓
C. Percentage
D. Liters
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026

A reaction that does not go to completion will always have a percent yield that is:

A. 100%
B. Greater than 100%
C. Less than 100% ✓
D. 0%
Read More Details about this Mcq:
nmdcat.online Chemistry NMDCAT MCQs
Jun 23, 2026
1 ... 469 470 471 472 473 ... 1127
Page 471 of 1127
Jump to:

🏆 Top Contributors

  • N

    nmdcat.online

    11260 MCQs

  • N

    NMDCAT.ONLINE

    1 MCQ

  • G

    GULABsb

    1 MCQ

Categories

View all →