Question

how many secondary hydrogens are present in 2 chloro naphtahlene

Answer 1

Answer:

there are two sets of equivalent hydrogen atoms: the alpha positions, numbered 1, 4, 5, and 8, and the beta positions, 2, 3, 6, and 7 .

Answer 2

Answer:

Explanation:

ANSWER

Carbons have a special terminology to describe how many other carbons they are attached to. Hydrogen atoms are also classified in this manner. A hydrogen atom attached to a primary, secondary and tertiary carbon atom is called a primary, secondary and tertiary hydrogen respectively.

Hence, isobutane, has nine primary hydrogens and one tertiary hydrogen.

Structure of isobutane-

            CH3

             |

CH3  -  C     −H

             |

      CH3

​ (Isobutane)