13.26. Assertion: Out of staggered and the eclipsed conformations of ethane, staggered conformation is more stable. 

Reason: Hydrogen atoms are farthest apart in staggered conformation.

HBr adds to alkene in accordance with Markovnikov's rule.

Delocalisation of  electrons in benzene  leads to saturation

To study Hydrocarbons for NEET, you can use the Hydrocarbons Class 11th NCERT solutions PDF.

Alkanes, Alkenes, Alkynes, and Aromatics hydrocarbons are the four main hydrocarbons.

Hydrocarbons are organic compounds made of only carbon and hydrogen.