Hydrocarbons

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What is the product of oxidizing toluene with hot acidic KMnO4?

Benzyl alcohol
Toluene diol
Benzaldehyde
Benzoic acid (correct)

Which of the following reactions is an example of electrophilic substitution?

Birch reduction of alkyl benzenes
Triozonide reaction of toluene (correct)
Hydrolysis of benzotrichloride
Oxidation of toluene with hot acidic KMnO4

What is the melting point of benzaldehyde?

90°C
100°C
70°C
81°C (correct)

What is the name of the explosive compound formed by mixing TNT with 80% ammonium nitrate?

Amatol (A) Signup and view all the answers

What is the product of hydrolysis of benzotrichloride?

Benzyl alcohol (A) Signup and view all the answers

What is the combustion reaction of toluene?

C6H5CH3 + 9O2 → 7CO2 + 4H2O (A) Signup and view all the answers

What is the octane number of Triptane or 2, 3, 3-Trimethylbutane?

124 (B) Signup and view all the answers

What is the purpose of using cyclopentadienyl manganese carbonyl in petrol?

To reduce lead pollution (D) Signup and view all the answers

Why does acetylene have a garlic odour when impure?

Due to impurities of phosphine and hydrogen sulphide (D) Signup and view all the answers

What is the correct order of acidic character of water, alcohols, acetylene, ammonia, ethylene, and ethane?

H2O > ROH > HC  CH > CH3 > CH2 = CH2 > CH3 –CH3 (C) Signup and view all the answers

What is the name of the catalyst (Triphenylphosphine) rhodium, (PPh3)3 RhCl?

Wilkinson's catalyst (D) Signup and view all the answers

What is the product formed when alkylbenzene reacts with acidic KMnO4?

Carboxylic acid (D) Signup and view all the answers

Which reagent is used for hydroxylation of alkylbenzene?

OsO4 (B) Signup and view all the answers

What is the byproduct formed when hydrocarbon is burnt in excess oxygen?

CO2 and H2O (B) Signup and view all the answers

What is the product formed when alkylbenzene undergoes hydroformylation?

Aldehyde (A) Signup and view all the answers

Why are alkylbenzenes explosive when mixed with air or oxygen?

They are highly reactive (C) Signup and view all the answers

What is the oxidizing agent used for the hydroxylation of alkylbenzene?

Perbenzoic acid (C) Signup and view all the answers

What is the characteristic of alkylbenzene combustion?

They burn with a luminous flame and form an explosive mixture with air or oxygen. (B) Signup and view all the answers

What is the product formed when a hydrocarbon undergoes hydroxylation with OsO4?

A diol (A) Signup and view all the answers

What is the product formed when a hydrocarbon undergoes hydroformylation with CoH(CO)4?

An aldehyde (A) Signup and view all the answers

What is the reaction involved when a hydrocarbon reacts with acidic KMnO4?

Hydroxylation (B) Signup and view all the answers

What is the product formed when a hydrocarbon undergoes combustion with excess oxygen?

CO2 and H2O (A) Signup and view all the answers

What is the reagent used for the hydroxylation of alkylbenzene?

All of the above (D) Signup and view all the answers

What is the primary application of ozonolysis in organic chemistry?

Determining the position of a double bond in an alkene molecule (A) Signup and view all the answers

What is the result of oxy-mercuriation-demercuration of an alkene?

Hydration of the alkene molecule according to Markovnikov's rule (C) Signup and view all the answers

What is the product of epoxidation of an alkene?

An alkene oxide (D) Signup and view all the answers

What is the reaction type that ozonolysis is an example of?

Oxidative cleavage (A) Signup and view all the answers

What is the role of H2C=O in ozonolysis?

A product of the reaction (A) Signup and view all the answers

What is the purpose of using mercuric acetate in oxy-mercuriation-demercuration?

To help in the hydration of the alkene molecule (D) Signup and view all the answers

What is the correct order of reactivity of halogens in electrophilic addition reactions?

F2 > Cl2 > Br2 > I2 (D) Signup and view all the answers

What is the mechanism of the Birch reduction reaction?

Anionic free radical mechanism (A) Signup and view all the answers

What is the product formed when an alkene reacts with sulphuric acid?

Vicinal dihalide (A) Signup and view all the answers