HARD
12th Uttar Pradesh Board
IMPORTANT
Earn 100

An organic compound (A) with molecular formula C2Cl3O2H is obtained when (B) reacts with red P and Cl2. The organic compound (B) can be obtained on the reaction of methyl magnesium chloride with dry ice followed by acid hydrolysis. Identify A and B

Important Questions on Sample Paper 1

HARD
12th Uttar Pradesh Board
IMPORTANT
An organic compound (A) with molecular formula C2Cl3O2H is obtained when (B) reacts with red P and Cl2. The organic compound (B) can be obtained on the reaction of methyl magnesium chloride with dry ice followed by acid hydrolysis. Write down the reaction for the formation of A from B. What is this reaction called?
HARD
12th Uttar Pradesh Board
IMPORTANT
An organic compound (A) with molecular formula C2Cl3O2H is obtained when (B) reacts with red P and Cl2. The organic compound (B) can be obtained on the reaction of methyl magnesium chloride with dry ice followed by acid hydrolysis. Give any one method by which organic compound B can be prepared from its corresponding acid chloride.
HARD
12th Uttar Pradesh Board
IMPORTANT
An organic compound (A) with molecular formula C2Cl3O2H is obtained when (B) reacts with red P and Cl2. The organic compound (B) can be obtained on the reaction of methyl magnesium chloride with dry ice followed by acid hydrolysis. Which will be the more acidic compound (A) or (B)? Why?
HARD
12th Uttar Pradesh Board
IMPORTANT
An organic compound (A) with molecular formula C2Cl3O2H is obtained when (B) reacts with red P and Cl2. The organic compound (B) can be obtained on the reaction of methyl magnesium chloride with dry ice followed by acid hydrolysis. Write down the reaction to prepare methane from the compound (B).
HARD
12th Uttar Pradesh Board
IMPORTANT
Why are all copper(II) halides known except that copper(II) iodide?
MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Why is the E(V+3/V+2) value for vanadium comparatively low?
MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Why HCl should not be used for potassium permanganate titrations?
MEDIUM
12th Uttar Pradesh Board
IMPORTANT
Explain the observation, at the end of each period, there is a slight increase in the atomic radius of d block elements.