HARD
12th Uttar Pradesh Board
IMPORTANT
Earn 100

Account for the following:
There are five -OH groups in glucose and glucose is a reducing sugar

Important Questions on Sample Paper 1

HARD
12th Uttar Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 11 - Sample Paper 1>Exercise>Q 22
Give reason for the following:
During the electrophilic substitution reaction of haloarenes, para substituted derivative is the major product.
HARD
12th Uttar Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 11 - Sample Paper 1>Exercise>Q 23

Give reason for the following:

The product formed during SN1 reaction is a racemic mixture.

MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 11 - Sample Paper 1>Exercise>Q 24
Name the suitable alcohol and reagent, from which 2-Chloro-2-methyl propane can be prepared.
MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 11 - Sample Paper 1>Exercise>Q 25
Out of the Chloromethane and Fluoromethane , which one is has higher dipole moment and why?
HARD
12th Uttar Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 11 - Sample Paper 1>Exercise>Q 26
The formula Co(NH3)5CO3Cl could represent a carbonate or a chloride. Write the structures and names of possible isomers.
EASY
12th Uttar Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 11 - Sample Paper 1>Exercise>Q 28
Explain how and why will the rate of reaction for a given reaction be affected when a catalyst is added.
MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 11 - Sample Paper 1>Exercise>Q 30
Write the reaction and IUPAC name of the product formed when 2-Methylpropanal (isobutyraldehyde) is treated with ethyl magnesium bromide followed by hydrolysis.
HARD
12th Uttar Pradesh Board
IMPORTANT
Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 11 - Sample Paper 1>Exercise>Q 31

Write the equation for the following reaction:

Salicylic acid is treated with acetic anhydride in the presence of conc.H2SO4