NEET-XII-Chemistry

Previous Year Paper year:2017

with Solutions -
  • #10
    With respect to the conformers of ethane,
    which of the following statements is true?
    (1) Both bond angles and bond length remains same
    (2) Bond angle remains same but bond length changes
    (3) Bond angle changes but bond length remains same
    (4) Both bond angle and bond length change
    digAnsr:   1
    Ans : (1)
    Sol.
    H
    H H
    H H
    H
    Bond angle ⇒ Unchanged
    Bond length ⇒ Unchanged
    H HH
    H
    H
    H