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)
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.
The function of anhydrous AlCl3 in the Friedel-Craft's reaction is to :
absorb water
absorb HCl
to produce electrophile
to produce nucleophile
When two double bonds are present on adjacent carbon atoms , the diene is called as :
conjugated diene
cumulative diene
isolated diene
None of these
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
Assertion : Phenol is more reactive than benzene towards electrophilic substitution reaction.
Reason : In the case of phenol, the intermediate carbocation is more resonance stabilised.
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.
B.
If both assertion and reason are true but reason is not the correct explanation of assertion.
OH group shows +M effect and is an activating group, moreover the arenium ion of phenolic substitution is more stable.