Chemistry Question Bank Class 12 Online Exam Quiz
Chemistry Question Bank Class 12 GK Quiz. Question and Answers related to Chemistry Question Bank Class 12. MCQ (Multiple Choice Questions with answers about Chemistry Question Bank Class 12
When (-)-2-bromooctane reacts with potassium hydroxide over an SN2 mechanism, what will be the product formed?
Options
A : (-)-octan-1-ol
B : (+)-octan-1-ol
C : (-)-octan-2-ol
D : (+)-octan-2-ol
Which of the following has a chiral carbon atom?
Options
A : 2-Chloro-2-methylpentane
B : 1,1-Dibromoethane
C : Pentan-3-ol
D : 2-Bromopentane
The SN1 reaction cannot be carried out in which of the following media?
Options
A : Acetic acid
B : Acetone
C : Ethanol
D : Water
Predict the chirality of the shown compounds.
Options
A : Both A and B are chiral
B : Both A and B are achiral
C : A is chiral and B is achiral
D : A is achiral and B is chiral
What is the chirality of 2-Chlorobutane?
Options
A : Chiral
B : Achiral
C : Superimposable mirror images
D : Symmetric
What will be the effect on the plane of plane polarised light when it passes through a solution of dlbutan-2-ol?
Options
A : Clockwise rotation
B : Anti-clockwise rotation
C : Zero rotation
D : 180° rotation
The heating of 1-Chlorobutane along with alcoholic KOH results in ________
Options
A : elimination of hydrogen from ?-carbon atom
B : elimination of hydrogen from ?-carbon atom
C : elimination of hydrogen from ?-carbon atom
D : no reaction
As the stability of carbocation formed in the first step of SN1 reaction increases, the rate of the reaction _________
Options
A : increases
B : decreases
C : remains same
D : may increase or decrease
A chiral compound with an ‘X’ group attached to the stereocenter has been replaced by a ‘Y’ group. The product obtained rotates the plane of polarised light in the direction opposite to that of the original compound. Name the process that has taken place.
Options
A : Inversion
B : Retention
C : Racemisation
D : Inversion or retention
What is the most suitable term for the following transformation?
Options
A : Inversion of configuration
B : Retention of configuration
C : Racemisation
D : Elimination reaction
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Chemistry Properties Dihydrogen
Chemistry Qualitative Analysis Organic Compounds
Chemistry Quantum Mechanical Model Atom
Chemistry Question Bank Class 11
Chemistry Question Papers Class 11
Chemistry Question Papers Class 12