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a
SO3+H2O→A, hybridisation of anion of central atom in A is sp3
b
SCl4→-4HCl4H2O X →-H2O Y, Y cannot act like reducing agent
c
A is more acidic than Y
d
A has tetrahedral geometry
answer is B.
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Detailed Solution
Option-(1) -- trueA is H2SO4 ; A has tetrahedral geometry where Sulphur atom is sp3 hybridizedoption-(4) is also trueoption(2) - falseOxidation state of Sulphur in H2SO3 is '+4'Highest ox.state of Sulphur is +6 and least Ox.state is -2∴ H2SO3 can act like both Oxidant and reductantoption(3) is trueAcidic strength of H2SO4(A) > H2SO3(Y)