Chemistry set 26


Q.1 Benzene in the presence of AlCl3 produces acetophenone when reacts with:
A) Acetyl chloride C) Ethyl benzene
B) Acetic acid D) Ethanoic acid
Q.2 The substitution of a '-H' by '-NO2' group in benzene is called:
A) Nitration C) Sulphonation
B) Ammunolusis D) Reduction of benzene
Q.3 The introduction of CO R group in benzene is called
A) Acylation C) Alkylation
B) Carbonyl reduction D) Formylation

Q.7 Addition of unsymmetrical reagent to an unsymmetrical alkene is governed by:
A) Cannizzaro’s Reaction C) Aldol Condensation
B) Kirchhoff Rule D)
Markownikov’s Rule
Q.8 Ethylene glycols are used as
A) Anesthetic C) Freezing agent
B) Knocking agent D)
Anti-freezing agent

Q.9 Order of reactivity of alkenes with hydrogen halide is:
A) HBr > HI > HCl C) HF > HI > HCl
B) HI > HBr > HF D)
HI > HBr > HCl
Q.10 The given three hydrocarbons are
Benzene Naphthalene Anthracene
A) Alicyclic hydrocarbons C) Acyclic Hydrocarbons
B)
Aromatic hydrocarbons D) Heterocyclic hydrocarbons

Q.12 The average bond energy of C-Br is:
A) 228 kJmol-1 C) 250 kJmol-1
B) 200 kJmol-1 D) 290 kJmol-1

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