WBJEE SERIES Chemistry
Haloalkanes And Haloarenes
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2023 1
2015 1
2013 1
2012 1
2011 Chapter Questions 5 MCQs
01
PYQ 2011
medium
chemistry ID: wbjee-20
The ease of dehydrohalogenation of alkyl halide with alcoholic is
1
2
3
4
02
PYQ 2012
medium
chemistry ID: wbjee-20
Under identical conditions, the reaction will occur most efficiently with
1
tert-butyl chloride
2
1-chlorobutane
3
2-methyl-1-chloropropane
4
2-chlorobutane
03
PYQ 2013
medium
chemistry ID: wbjee-20
Treatment of with gives
1
2
3
4
undefined
04
PYQ 2015
medium
chemistry ID: wbjee-20
In a mixture, two enantiomers are found to be present in and respectively. The enantiomeric excess is
1
2
3
4
05
PYQ 2023
medium
chemistry ID: wbjee-20
Na2CO3 is prepared by Solvay process but K2CO3 can not be prepared by the same because
1
K2CO3 is highly soluble in H2O
2
KHCO3 is slightly soluble
3
KHCO3 is appreciably soluble
4
KHCO3 decomposes