CBSE
Multiple Choice Questions3-Phenylpropene on reaction with HBr gives (as a major product)
C6H5CH2(Br)CH3
C6H5CH(Br)CH2CH3
C6H5CH2CH2CH2Br
C6H5CH(Br)CH=CH2
Which of the following is a chiral compound ?
Hexane
n-butane
Methane
2,3,4-Trimethyl hexane
IUPAC name of the following compound is
3-methyl cyclohexane
1-methyl cyclohex-2-ene
6-methyl cyclohexene
1-methyl cyclohex-5-ene
The most reactive nucleophile among the following is
CH3O-
C6H5O-
(CH3)2CHO-
(CH3)3CO-
Assertion : Rates of nitration of benzene and hexadeuterobenzene are different.
Reason : C- H bond is stronger than C- D bond.
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 ortho/para directing group among the following is
COOH
CN
COCH3
NHCOCH3
The geometrical isomerism is shown by
Assertion: Diastereomers have different physical properties.
Reason : They are non-superimposable mirror images.
If both assertion and reason are true and reason is the correct explanation of the assertion.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
If assertion is true, but reason is false.
Both assertion and reason are false statements.
The following four solutions are kept in separate beakers and copper metal is put in each of them. Which solution will become blue after some time ?
AgNO3 solution
Zn(NO3)2 solution
Ba(NO3)2 solution
NaNO3 solution
The absolute configuration of the following compound is
2 S, 3 R
2 S, 3 S
2 R, 3 S
2 R, 3 R
