Chemistry : Organic Chemistry – Some Basic Principles and Techniques

The only o  p-directing group which is deactivating in nature is

• -NH₂

• -OH

• -X(halogens)

• -R(alkyl groupd)

Which of the organic compounds will give red colour in Lassaigne test ?

• C₆H₅NH₂

• 

• 

• None of these

The IUPAC name of the following compound is

• 1, 2-dimethyl-2-butenol

• 3-methylpent-3-en-2-ol

• 3, 4-dimethyl-2-buten-4-ol

• None of the above

Inorganic benzene is

• B₃N₆H₃

• B₃N₃H₆

• Al₃N₃H₆

• None of these

Stereisomers differ in

• configuration

• conformation

• they do not differ

• none of the above

IUPAC name of the following compound

• N, N- dimethylcyclopropane carboxamide

• N-methylcyclopropanamide

• cyclopropionamide

• None of the above

The product of following reaction is

2CH₃MgBr + CH₂O $\to$

• CH₃OH

• C₂H₅OH

• CH₄

• C₂H₆

Sodium formate on heating gives

• oxalic acid and H₂

• sodium oxalate and H₂

• sodium oxalate

• CO₂ and caustic soda

Which among the following is the most stable carbocation?

• 

• 

• $\stackrel{+}{\mathrm{C}}{\mathrm{H}}_3$

• CH₃$\stackrel{+}{\mathrm{C}}$H₂

Products of the following reaction

CH₃C $\equiv$C.CH₂CH₃ $\underset{\left(2\right) \mathrm{Hydrolysis}}{\overset{\left(1\right)\hspace{0.17em}{\mathrm{O}}_3}{\to }}$.... are

• CH₃CHO + CH₃CH₂CHO

• CH₃COOH + CH₃COCH₃

• CH₃COOH + HOOC.CH₂CH₃

• CH₃COOH + CO₂