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Q81) The number of dative bonds in sulphuric acid molecule is [ MP PET 2002]




SOLUTION

Sulphuric acid have two coordinate bond with Oxygen
Answer: (c)


Q82) Number of bonds in SO2 are .. [ DEC 2001]




SOLUTION


Answer: (c)


Q83) Molecular shapes of SF4, CF4 and Xe4 are [ IIT screening test 2000]



SOLUTION


Answer:(b)



Q84) When potassium ferrocyanide crystals are heated with conc. H2SO4, the gas evolved is ... [ KCET 2000]



SOLUTION

K4[Fe(CN)6] + 6H2SO4 + 6H2O → 2K2SO4 + FeSO4 + 6CO + 3(NH4)2SO4
Answer: (d)


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