WB JEE 2022 | Hydrocarbons Question 3 | Chemistry

WB JEE 2022

MCQ (Single Correct Answer)

-0.25

The major product of the following reaction is

$${F_3}C - CH = C{H_2} + HBr \to $$

$${F_3}C - C{H_2} - C{H_2}Br$$

$${F_3}C - CH(Br) - C{H_3}$$

WB JEE 2021

MCQ (Single Correct Answer)

-0.25

The exact order of boiling points of the compounds n-pentane, isopentane, butanone and 1-butanol is

n-pentane < isopentane < butanone < 1-butanol

isopentane < n-pentane < butanone < 1-butanol

butanone < n-pentane < isopentane < 1-butanol

1-butanol < butanone < n-pentane < isopentane

WB JEE 2020

MCQ (Single Correct Answer)

-0.25

The total number of alkyl bromides (including stereoisomers) formed in the reaction $$M{e_3}C - CH = C{H_2} + HBr \to $$ will be

No bromide forms

WB JEE 2018

MCQ (Single Correct Answer)

-0.33

CH₃ $$-$$ C $$ \equiv $$ C MgBr can be prepared by the reaction of

CH₃ $$-$$ C $$ \equiv $$ C $$-$$ Br with MgBr₂

CH₃ $$-$$ C $$ \equiv $$ CH with MgBr₂

CH₃ $$-$$ C $$ \equiv $$ CH with KBr and Mg metal

CH₃ $$-$$ C $$ \equiv $$ CH with CH₃MgBr

WB JEE Subjects