Question

can you please send me notes of chapter 10 chemistry class 12 NCERT​

Answer 1

Explanation:

) I

2

<F

2

<Br

2

<Cl

2

The electron affinity of Chlorine is maximum in the periodic table and so the bond dissociation enthalpy. Flourine has lower bond dissociation enthalpy than Br

2

and Cl

2

. Due to small size electronic repulsion is very high. I

2

has lowest bond dissociation enthalpy due to quite larger size it is easiest to break the bond.

(ii) HF<HCl<HBr<HI⇒Acidic strength of Halogen acids increases down the group.

(iii) BiH

3

<SbH

3

<AsH

3

<PH

3

<NH

3

⇒ Basic strength decreases down the group because as we go down the group the size of the atom and thus the electron density decreases. These compounds are lewis base having 1 lone pair on the central atoms. As the electron density decrease the tendency to donate electron pair decreases.

hm pr only on in@ta

Answer 2

Answer: you can also write own

Explanation: