Test of mcqs from organic chapter 7 to 10

#Test of mcqs from organic chapter 7 to 10
#including ptb and fedral books
Comment your key in post

#aromatic alcohols and alkyl phenols are isomers
A)functional
B)position
C)chain
D)metamers

#the numbers of isomers in alkanes having molecular formula 72
A)3
B)2
C)4
D)5

#compound having formula C5H10 can show isomerism
A)chain
B)position
C)functional
D)all

#isomers which can be easily interconvert are
A)configurational
B)conformational
C)chain isomers
D)all

#stilbene shows
A)chain isomerism
B)geometrical
C)postional
D)none

#how many moles of oxygen is required for complete combustion of ethane
A)2
B)3
C)7/2
D)2/7

#which one is more stable among carbocation
A)tertiary
B)primary
C)secondry
D)all may be

#major product formed by chlorination of propane is
A)2-chloropropane
B)1 chloropropane
C)3 chloropropane
D)none

#adms catyst is
A)ptO
B)nikal
C)cobalt
D)all

#2 butene with hot concentrated KMnO4 can form
A)formic acid
B)2 acetic acid
C)both

#which one is more reactive
A)HCl
B)HBr
C)HI
D)HF

#which shows easily dehydrohalogenation
A)primary alkyl halide
B)secondry
C)tertiary
D)all

#electron releaaing groups are
A)ring activator
B)ring deactivator
C)both
D)none

#CN group on hydrolysis gives
A)alcohols
b)acids
c)aldehydes
D)ketones

#benzene can be prepared from aniline at what temperature in centigrade
A)0
B)25
C)100
D)125

#OR group is a
A)moderate  ring activator
B)strong activator
C)weak
D)none

#SN2 reactions are favourable for
A)secondry alkyl halide
B)primary alkyl halide
C)tertiary alkyl halide
D)none

#weak conjugate base of a strong acids ate
A)bad leaving group
B)good leaving group
C)moderate

#alkyl bromide with aquous KOH gives
a)alcohol
b)alkenes
C)acids
D)none

#phosgene is has formula
A)COCl2
B)COCl3
C)COCl4
D)COBr2

#saytazeff rule can applied on alkyl halides when base is
a)small
B)large
C)both