CBSE
Multiple Choice QuestionsCetane is a compound which has very good ignition property .Chemically it is :
CH3(CH2)14CH3
(CH3)3C(CH2)11CH3
C17H34
None of the above
Which of the following gives propyne on hydrolysis?
Al4C3
Mg2C3
B4C
La4C3
The reagent used in Gatterman Koch aldehyde synthesis is :
Pb/BaSO4
alkaline KMnO4
acidic KMnO4
CO + HCl
What is obtained , when propene is treated with N-bromo succinimide ?
CH3-CBr=CH2
BrCH2-CH=CH2
BrCH2-CH=CHBr
BrCH2-CHBr-CH2Br
Which of the following species participate in sulphonation of benzene ring?
H2SO4
SO3
HSO
SO
Assertion : [Co(NO2)3(NH3)3] does not show optical isomerism.
Reason : It has a plane of symmetry.
If both assertion and reason are true and reason is the correct explanation of the assertion.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
If assertion is true, but reason is false.
Both assertion and reason are false statements.
The electrophile involved in the nitration of benzene is :
NO2
NO2+
NO
NO2-
What will be the main product, when benzene vapours are passed over V2O5 at 450°C ?
Poisonous gas 'Lewisite' is obtained by the reaction of :
CHCH and AsCl3
CH2=CH2 and AsCl3
CHCH and S2Cl2
CH2=CH2 and NOCl
Geometrical isomerism is found in :
pentene - 1
pentane
2 - butene
butene - 1
