Which groups have +M and -I effects ?

Solution

Atoms having lone pairs and greater electronegativity have +M and -I effects. For example, halogens have greater electronegativity(-I) but have lone pairs of electrons (+M).

Some More Questions From Organic Chemistry – Some Basic Principles and Techniques Chapter

What are heterocyclic compounds?

What type of hybridisation is involved in: (i) Planar (ii) Linear molecules?

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Organic Chemistry – Some Basic Principles And Techniques

Which groups have +M and -I effects ?

Some More Questions From Organic Chemistry – Some Basic Principles and Techniques Chapter

What are heterocyclic compounds?

What type of hybridisation is involved in: (i) Planar (ii) Linear molecules?

What does IUPAC stand for?

What system of nomenclature is accepted universally?

What are isomers?

How many chain isomers are possible for pentane?

Which characteristic is common to different isomers of a compound?

Name three alkanes which do not show chain isomerism.

Name the types of structural isomerism shown by alkanes.

Name the four main types of structural isomerism.

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