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 Multiple Choice QuestionsMultiple Choice Questions

191.

1 mole of methyl amine on reaction with nitrous acid gives at NTP

  • 1.0 L of nitrogen

  • 22.4 L of nitrogen

  • 11.2 L of nitrogen

  • 5.6 L of nitrogen


192.

The major product P in the following reaction is

CH3-CH=CH2 PeroxideHI P

  • CH3CH2CH2I

  • CH3-CH(I)-CH3

  • CH2(I)-CH=CH2

  • CH2(I)-CH2(I)


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193.

Which of the following will exhibit cis-trans isomerism?

  • CH2Br-CH2Br

  • CBr- CH3

  • CHBr = CHBr

  • CBr2= CH2


C.

CHBr = CHBr

Alkene shows geometrical isomerism due to restricted rotation of double bond. It is because the position of atoms or groups attached to the carbon atoms of the double bond gets fixed. If same group or atom is attached with double bond, then alkene does not show geometrical isomerism. 


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194.

The IUPAC name of CH3-CH=CH-C≡CH is

  • pent-3-en-1-yne

  • pent-3-en-4-yne

  • pent-2-en-4-yne

  • pent-2-en-3-yne


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195.

The correct IUPAC name of  is

 

  • 1-cyclopropyl cyclobutane

  • 1, 1-dicyclobutane

  • 1-cyclobutane- 1- cyclopropane

  • none of the above


196.

Geometrical isomerism is possible in

  • acetone- oxime

  • isobutene

  • acetophenone-oxime

  • benzophenone-oxime


197.

IUPAC name of the following compound is:

CH3CH2C(Br) = CH - Cl

  • 2-bromo-1-chloro butene

  • 1-chloro-2-bromo butene

  • 3-chloro-2-bromo butene-2

  • none of the above


198.

Quantitative measurement of nitrogen in an organic compound is done by the method :

  • Berthelot method

  • Belstein method

  • Lassaigne test

  • Kjheldahl method


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199.

Brown ring in the test of NO3- is formed due to the formation of :

  • FeSO4.NO

  • [Fe(SO4)2.NO]H2O

  • Fe2(SO4)3.NO

  • None of these


200.

Which kind of fission is favoured by sunlight ?

  • Heterolytic fission

  • Homolytic fission

  • Both (a) and (b)

  • None of these


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