AIEEE 2008 | Basics of Organic Chemistry Question 240 | Chemistry

The electrophile, $${E^ \oplus }$$ attacks the benzene ring to generate the intermediate $$\sigma - $$complex. Of the following, which $$\sigma - $$complex is lowest energy?

AIEEE 2008 Chemistry - Basics of Organic Chemistry Question 228 English Option 1

AIEEE 2008 Chemistry - Basics of Organic Chemistry Question 228 English Option 2

AIEEE 2008 Chemistry - Basics of Organic Chemistry Question 228 English Option 3

AIEEE 2008 Chemistry - Basics of Organic Chemistry Question 228 English Option 4

AIEEE 2007

MCQ (Single Correct Answer)

-1

Which of the following molecules is expected to rotate the plane of plane - polarized light?

AIEEE 2007 Chemistry - Basics of Organic Chemistry Question 226 English Option 1

AIEEE 2007 Chemistry - Basics of Organic Chemistry Question 226 English Option 2

AIEEE 2007

MCQ (Single Correct Answer)

-1

AIEEE 2007 Chemistry - Basics of Organic Chemistry Question 225 English

$$3$$ - enthyl - $$4$$ - $$4$$ - dimethylheptane

$$1,1$$ - diethyl - $$2,2$$ - dimethylpentane

$$4, 4$$ - dimethyl -$$5,5$$ - diethylpentane

$$5,5$$ - diethyl - $$4,4$$ - dimethylpentane.

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