Q 1 :    

Major product formed in the following reaction is a mixture of:                           [2024]

Q 2 :    

The major product(P) in the following reaction is                             [2024]

Q 3 :    

The major products formed:                                            [2024]

A and B respectively are:

Q 4 :    

The ratio of number of oxygen atoms to bromine atoms in the product Q is _____ $\times {10}^{-1}$.              [2024]

Q 5 :    

Which one of the following reactions will not lead to the desired ether formation in major proportion?

(iso-Bu ⇒ isobutyl, sec-Bu ⇒ sec-butyl, nPr ⇒ n-propyl, tBu ⇒ tert-butyl, Et ⇒ ethyl)            [2025]

• ${}^t\mathrm{Bu}\stackrel{⊝}{\mathrm{O}}\stackrel{\oplus }{\mathrm{N}}\mathrm{a}+\mathrm{EtBr}\to \mathrm{Bu}-\mathrm{O}-\mathrm{Et}$

   

• 

   

• 

   

• $\mathrm{iso}-\mathrm{Bu}\stackrel{⊝}{\mathrm{O}}\stackrel{\oplus }{\mathrm{N}}\mathrm{a}+\sec -\mathrm{BuBr}\to \sec -\mathrm{Bu}-\mathrm{O}-\mathrm{iso}-\mathrm{Bu}$

   

Q 6 :    

Which one of the following, with HBr will give a phenol?                 [2025]