271. Octane number of a fuel can be increased by

1. 1. Isomerisation

   
   
   

   2. Alkylation

   
   
   

   3. Reforming

   
   
   

   4. All of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

---

272. Baeyer's reagent is

1. 1. Alkaline KMnO₄ solution

   
   
   

   2. Acidic KMnO₄ solution

   
   
   

   3. Neutral KMnO₄ solution

   
   
   

   4. Aqueous bromine solution

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

---

273. The compound CH₃COOC₂H₅ belongs to the class

1. 1. Alkanals

   
   
   

   2. Alkanones

   
   
   

   3. Alkyle alkanoates

   
   
   

   4. Alkanediols

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

---

274. The minimum number of carbon atoms which a ketone may contain is

1. 1. 1

   
   
   

   2. 2

   
   
   

   3. 3

   
   
   

   4. 4

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

---

---