MCQ on Catalyst and Catalysis: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

In this post we are providing you MCQ on Catalyst and Catalysis, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Catalyst and Catalysis

Q1. Which of the following is used as a catalyst in the contact process?
a) SO₃
b) Ag₂O
c) Fe₂O₃
d) V₂O₅

Q2. Ziegler Natta catalyst is associated with _____.
a) hydrogenation of alkenes
b) hydroformylation of alkenes
c) polymerisation of alkenes
d) none of the above

Q3. Which of the following is incorrect for a catalyst?
a) Catalyst does not start a reaction
b) Co-enzymes increase the activity of an enzyme
c) Bio-chemical reactions are mostly catalysed by enzymes
d) Catalyst changes the equilibrium constant of a reaction

Q4. Which of the following is used as a catalyst in the lead chamber process?
a) Ni
b) Pt
c) V₂O₅
d) Nitrogen oxides

Q5. Which of the following is incorrect for enzymes?
a) Enzymes are specific
b) Most of the enzymes are protein
c) Reactivity of enzymes is least at optimum temperature
d) High temperature and UV rays can denature enzymes

Q6. Which of the following enzymes catalyses the hydrolysis of triglycerides to fatty acids and glycerol?
a) Lipase
b) Maltase
c) Pepsin
d) Zymase

Q7. Which of the following is changed in a chemical reaction due to a catalyst?
a) Entropy
b) Enthalpy
c) Internal energy
d) Activation energy

Q8. What is the effect of enzymes on the rate of biochemical reactions?
a) The rate increases
b) The rate decreases
c) It does not change
d) None of the above

Q9. How does a catalyst increase the rate of a reaction?
a) By increasing activation energy
b) By forming an intermediate complex
c) By lowering the activation energy
d) By changing equilibrium constant

Q10. Which of the following is known as Lindlar’s catalyst?
a) Pt in ethanol
b) Ni in ethanol
c) Na in liquid NH₃
d) Pd with BaSO₄

 

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By Team Learning Mantras