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Isomerism

JEE Main 2025 (Online) 24th January Evening ShiftNumericalEasy📈 Topic in 5% papers+4
Ques. 1JEE Main 2025, 24 January (Evening Shift)

The possible number of stereoisomers for 5-phenylpent-4-en-2-ol is .

Answer

4

Solution

[figure]

C-2 is a chiral centre (R/S); C4=C5 is stereogenic (E/Z)

2 2=4 stereoisomers

Answer: 4

Keep practising — Isomerism

Ques. 2JEE Main 2025, 22 January (Morning Shift)

How many different stereoisomers are possible for the given molecule? [figure]

  1. 2
  2. 1
  3. 3
  4. 4
Ques. 3JEE Main 2025, 22 January (Morning Shift)

The incorrect statements regarding geometrical isomerism are : Choose the correct answer from the options given below :

  1. A and E Only
  2. A, D and E Only
  3. C, D and E Only
  4. B and C Only

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