How nitrobenzene is identified using Mulliken-Barker test?

612.

Which one of the following is s-butyl phenyl vinyl methane?

• 

• 

• 

• 

On mixing alkane with chlorine and irradiating with ultraviolet light, it forms only one monochloroalkane. The alkane is

• Propane

• Pentane 

• Iso-pentane

• Neo-pentane

What is obtained when nitrobenzene is treated sequentially with (i) NH₄Cl/Zn dust and (ii) H₂SO₄/Na₂Cr₂O₇?

• meta-chloronitrobenzene

• para-chloronitrobenzene

• Nitrosobenzene

• Benzene

The addition of HBr to 2-pentene gives

• 2-bromopentane only

• 3-bromopentane only

• 2-bromopentane and 3-bromopentane

• 1-bromopentane and 3-bromopentane

ethylene can be separated from acetylene by passing the mixture through

• fuming H₂SO₄

• pyrogallol

• ammoniacal Cu₂Cl₂

• charcoal powder

In the compound $\mathrm{HC}\equiv \mathrm{C}-\mathrm{C}\left({\mathrm{CH}}_3\right)={\mathrm{CH}}_2$ the hybridisation of C-2 and C-3 carbons are respectively

• sp³ and sp³

• sp² and sp³

• sp² and sp

• sp³ and sp

Which one of the following formulae does not represent an organic compound ?

• C₄H₁₀O₄

• C₄H₆O₄

• C₄H₇ClO₄

• C₄H₉O₄

C₆H₅NO₂ $\stackrel{\mathrm{Sn}/ \mathrm{HCl}}{\to }$ C₆H₅X

'X' is identified as:

• NO

• -NH₂

• NHOH

• None of these

The test for unsaturation is confirmed by the decolourisation of which of the following ?

• Iodine water

• CusO₄ solution

• Bromine water

• All of these