Hydrocarbons



Question


Question 1 : A dibromo derivative of an alkane reacts with sodium metal to form an alicyclic hydrocarbon. The derivative is ______.
1. 1, 4-dibromobutane
2. 2, 2-dibromobutane
3. 1, 2-dibromoethane
4. None of these
Answer
8697

Question 2 : The position of double bond in alkenes can be located by _____________
1. Photolysis
2. Hydration
3. Hydrogenation of oil
4. Ozonolysis
Answer
8698

Question 3 :

Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80 – 100°C forms which one of the following products?


1. 1, 3-Dinitrobenzene
2. 1, 2-Dinitrobenzene
3. 1, 4-Dinitrobenzene
4. None of these
Answer
8699

Question 4 :

Meta-directing substituents in aromatic substitution are given. Which one is most deactivating?


1. -NO2
2. -COOH
3.  -SO3H
4. –C ≡ N
Answer
8700

Question 5 :

Which of the following compounds will exhibit geometrical isomerism?


1. 3 – Phenyl – 1 – butene
2. 2 – Phenyl – 1 butene
3. 1, 1 – Diphenyl – propene .
4. 1 – Phenyl – 2 – butene
Answer
8701

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