Bond angle in 
is higher than the bond angle of 
( 
). The difference is due to
Text Solution
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The difference in the bond angles is linked with the electronegativities of oxygen and sulphur atoms. As
we move down the group from O to Te, the size of central atoms goes on increasing and its electronegativity goes one decreasing. As a result, the position of the two bond pairs shifts away and away from the central atom as we move from 
to 
Consequently the repulsion between the bond pairs decreases as we move from 
to 
Te and therefore the bond angle decreases in the order : 
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