In IUPAC nomenclature, the number which indicates the position of the substituent is called ………

Which of the following IUPAC nomenclature is correct......

Homolytic fission is NOT favourable in presence of …………

The total number of electrons in the carbon atom of methyl free radical is …………

The most unstable carbocation amongst the following is ………

Which of the following represents a pair of electrophiles?

This group shows +I effect.

Which of the following group shows negative resonance effect?

Resonance is NOT exhibited by …………

All bonds in benzene are equal due to …………