What is the IUPAC name of the following compound?
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1.(2R,3R)-2-ethylpentan-3-ol
2.(4S,3S)-4-ethylpentan-3-ol
3.(3S,4S)-3-methylhexan-4-ol
4.(3S,4S)-4-methylhexan-3-ol
5.(3S,4R)-3-methylhexan-4-ol
Question 2Which of the above compounds contains at least one secondary alcohol group?
1.I and II
2.I and IV
3.II and III
4.II and IV
5.III and V
Question 3Which of the following is not a practical method to generate an electrophile for aromatic substitution reaction?
1.HNO3/H2SO4
2.Cl2/FeBr3
3.I2/CuCl2
4.SO3/H2SO4
5.CH3COCl/AlBr3