CBSE
Multiple Choice QuestionsThe homologue of ethyne is :
C2H4
C3H6
C3H3
C3H4
Assertion: Ortho and para-nitrophenol can be separated by steam distillation.
Reason: Para-nitrophenol is steam volatile due to intramolecular hydrogen bonding.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
When two double bonds are present on adjacent carbon atoms , the diene is called as :
conjugated diene
cumulative diene
isolated diene
None of these
The function of anhydrous AlCl3 in the Friedel-Craft's reaction is to :
absorb water
absorb HCl
to produce electrophile
to produce nucleophile
Which of the following is a chiral compound?
Hexane
n-Butane
Methane
2,3,4-Trimethylhexane.
Assertion : Saturated hydrocarbons are chemically less reactive.
Reason: All isomeric paraftins have same parent name.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
The end product in the sequence would be
C3H7OH A B C
CH3-CCH
CH3-C(OH)=CH2
CH2=C=CH2
CH3-CH(OH)-CH2(OH)
Which of the following will show aromatic behaviour ?
None of these
When trans-2-butene is reacted with Br2 then product formed is
Meso compounds
both (b) and (c)
B RCCR A ,
A and B are geometrical isomers (RCH=CHR)
A is cis , B is trans
A is trans , B is cis
A and B both are cis
A and B both are trans
