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 Multiple Choice QuestionsShort Answer Type

611.

How nitrobenzene is identified using Mulliken-Barker test?


 Multiple Choice QuestionsMultiple Choice Questions

612.

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


613.

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

  • Propane

  • Pentane 

  • Iso-pentane

  • Neo-pentane


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614.

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

  • meta-chloronitrobenzene

  • para-chloronitrobenzene

  • Nitrosobenzene

  • Benzene


C.

Nitrosobenzene

When nitrobenzene is treated sequentially with NH4Cl/ Zn dust and H2SO4/ Na2Cr2O7, it forms Nitrosobenzene.


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615.

The addition of HBr to 2-pentene gives

  • 2-bromopentane only

  • 3-bromopentane only

  • 2-bromopentane and 3-bromopentane

  • 1-bromopentane and 3-bromopentane


616.

ethylene can be separated from acetylene by passing the mixture through

  • fuming H2SO4

  • pyrogallol

  • ammoniacal Cu2Cl2

  • charcoal powder


617.

In the compound HCC-C(CH3)=CH2 the hybridisation of C-2 and C-3 carbons are respectively

  • sp3 and sp3

  • sp2 and sp3

  • sp2 and sp

  • sp3 and sp


618.

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

  • C4H10O4

  • C4H6O4

  • C4H7ClO4

  • C4H9O4


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619.

C6H5NO2 Sn/ HCl C6H5X

'X' is identified as:

  • NO

  • -NH2

  • NHOH

  • None of these


620.

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

  • Iodine water

  • CusO4 solution

  • Bromine water

  • All of these


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