Never mind i got it hahahaha
2 answers:
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Answer:
H2S has a bent geometry, while BeH2 has a linear geometry because: presence of lone pair in H2S
Absence of Lone pair in BeH2
Explanation:
<u>Structure of H2S :</u>
Atomic number of S = 16 = 1s(2 )2s(2) 2p(6) <u>3s(2 )3p(4)</u>
Outer most shell has 6 electron
Valence electron (Involved in bonding) = 6
Out of these 6 electrons ,
2 electrons are formed in bonding with Hydrogen
Rest 4 are non- bonding and present as lone - pair
H2S exist - sp3 hybridisation
There are 2-Lone pair on S in H2S (look at the image attached)
<u>Structure of H2S :</u>
Atomic number of Be = 4 = 1s(2 ) 2s(2)
Valence electron (Involved in bonding) = 2
These 2- electron are involved in bonding with two Hydrogen and form liner shape.*Form sp - hybridized
Hence shape is linear because it has non - lone pair.
VSEPR : <u><em>According to this theory lone pair causes repulsion to the bond and cause unstability in the molecule.</em></u>
<u><em>Hence the bonds shifts away from lone pairs . This is why H-S bonds in H2S shifts way from lone pair</em></u>
