In the following compound, the stereochemical descriptor for Ha and Hb is · ABC26OR1090
Subject: Organic Chemistry · Chapter: Stereochemistry · Topic: Stereochemistry – General · Exam: CSIR NET JUNE 2016 · Marks: 2 · Difficulty: Easy
In the following compound, the stereochemical descriptor for $\mathrm{H_a}$ and $\mathrm{H_b}$ is 
(a)enantiotopic
(b)diastereotopic
(c)homotopic
(d)constitutionally heterotopic
Answer
Answer: B ✓ checked by 4AB · confidence medium
Explanation
The molecule is chiral because of the hindered biaryl axis, so H_a and H_b on the carbinol carbon are not related by any symmetry operation: diastereotopic (b).
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