Question

4.
Following are rules for determining bond angle by relating electro negativity, Hybridisation.
Rule 1 :- Electro Negativity of central atom decreases (or) size increases bond angle decreases.
Rule 2 :- The Electro Negativity of bonded atom B decreases the bond angle increases
Rule 3 :- Bond angle for molecules with different hybridisations are sp > sp2 > sp3
. based on aboveinformation identify incorrect relations from the followng.
a) Bond angle of Hydrides group 15 are NH3 > PH3 > AsH3
b) Bond angle of Hydrides group 16 are H2O <H2S <H2Se
c) Bond angle for Halides of 15th group are PF3< PCI3, <PBr3
d) Bond angle of C2H2 > C2H4, > C2H6​

Answer 1

Answer:

Following are rules for determining bond angle by relating electro negativity, Hybridisation.

Rule 1 :- Electro Negativity of central atom decreases (or) size increases bond angle decreases.

Rule 2 :- The Electro Negativity of bonded atom B decreases the bond angle increases

Rule 3 :- Bond angle for molecules with different hybridisations are sp > sp2 > sp3

. based on aboveinformation identify incorrect relations from the followng.

a) Bond angle of Hydrides group 15 are NH3 > PH3 > AsH3

b) Bond angle of Hydrides group 16 are H2O <H2S <H2Se

c) Bond angle for Halides of 15th group are PF3< PCI3, <PBr3

d) Bond angle of C2H2 > C2H4, > C2H6

Explanation:

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