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Q97) Copper turing when heated with conce. H2SO4 gives ... [ BHU 1999]




SOLUTION

Cu + 2H2SO4 →CuSO4 + SO2 + H2O
Answer: (b)


Q98) The shape of SF3Cl3 is .. [ kerala CEE 2000]




SOLUTION

SF3Cl3 like SF6 is an octahedralmolecule with sp3d2 hybridization of S atom
Answer: (b)


Q99) HCOOH reacts with concentrated H2SO4 to produce ... [ Manipal PMT 2001]



SOLUTION

HCOOH + H2S4 → CO
Answer:(a)



Q100) Which of the following hydrides shows the highest boiling point? [ MP PET 2002]



SOLUTION


Answer: (a)


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