1. Under attacking molecule is called ___________:
(A) Reagent
(B) Substrate
(C) Catalyst
(D) Activator
2. Attacking molecules are called ___________:
(A) Substrate
(B) Reagent
(C) Catalyst
(D) Activator
3. Transitory state between reactant and product is ___________:
(A) Substrate
(B) Change
(C) Mechanism
(D) Activator
4. One of them is nucleophile ___________:
(A) Cl⁻
(B) BF₃
(C) AlCl₃
(D) NO₂⁺
5. One of them is electrophile ___________:
(A) OH⁻
(B) Cl⁻
(C) BF₃
(D) R–OH
6. The reagent that attacks region of low electron density in the substrate molecule is ___________:
(A) Radical
(B) Reagent
(C) Electrophile
(D) Nucleophile
7. The reagent that attacks region of high electron density in the substrate molecule is ___________:
(A) Nucleophile
(B) Electrophile
(C) Reagent
(D) Radical
8. The reaction of acetic acid formation from ethyl alcohol is ___________:
(A) Reduction
(B) Addition
(C) Rearrangement
(D) Oxidation
9. Mixture of alkane from halogenation of alkane is ___________:
(A) Rearrangement
(B) Addition
(C) Substitution
(D) Oxidation
10. Breaking of bond in chemical reaction is ___________:
(A) Oxidation
(B) Fusion
(C) Rearrangement
(D) Fission