Which of the following statements are correct about the addition of `HBr` to buta-1,3-diene ?

Addition of bromine to buta-1,3-diene gives:

Addition of bromine to buta-1,3- diene gives

Addition of HBr to but -1- ene yields

Which of the following statements are correct about the bisulphite addition product of a carbonyl compound ?

Which of the following statements are correct about the bisulphite addition product of a carbonyl compound ?

Which of the following statements about Be is not correct?

Which of the following statements regarding 1,2- or 1,4- conjugate addition of HBr to 1,3-butadiene is false?

Which statements are correct about following

Which of the following statements is/are correct about the following is/are correct about the following reactions ?