Some Chemical Reactions MCQs with Answers

How many moles of NaCl are produced from 16.5g of HCl, according to the neutralization reaction? HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)

• A.0.452
• B.0.904
• C.0.226
• D.1.000

Rate of dehydration of alcohol is ?

• A.1° > 3° > 2°
• B.1° > 2° > 3°
• C.2° > 3° > 1°
• D.3° > 2° > 1°

For which reaction does the value of Kc increase with an increase in temperature?

• A.H2 + I2 → 2HI
• B.N2 + 3H2 → 2NH3
• C.2SO2 + O2 → 2SO3
• D.N2 + O2 → 2NO

Ethyl alcohol reacts with SOCl₂ to form?

• A.Ethyl chloride
• B.Ethyl bromide
• C.Ethyl iodide
• D.Ethyl fluoride

Which reaction is a disproportionate reaction?

• A.Friedel-Crafts reaction
• B.Wurtz reaction
• C.Cannizzaro reaction
• D.Sandmeyer reaction

Which of the following is true for a reversible reaction at equilibrium?

• A.The rate of the backward reaction is equal to the forward reaction
• B.The forward reaction stops completely
• C.Only the backward reaction continues
• D.The concentrations of reactants and products are always equal

Ozone reacts vigorously with alkenes to form ozonides. This process is known as _?

• A.Ozonolysis
• B.Hydrogenation
• C.Polymerization
• D.Halogenation

Which oxidizing agent is used in oxidation of aldehydes into carboxylic acids?

• A.KMnO₄ (Potassium permanganate)
• B.K₂Cr₂O₇ (Potassium dichromate)
• C.Tollens' reagent
• D.All of these

When the following reaction is properly balanced, the number of moles of O2 will be _? C6H14 + O2 → CO2 + H2O

• A.13 moles
• B.9.5 moles
• C.19 moles
• D.7 moles

A catalyst affects?

• A.Rate of reaction only
• B.Equilibrium constant only
• C.Both rate of reaction and equilibrium constant
• D.Neither rate of reaction nor equilibrium constant