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Q41) Hybridization in SO3 is .. [ Haryana CEET 1999]




SOLUTION

total valence electrons =6+6+6+6 = 24
Now 24 ÷ 8 = 3
Answer: (a)


Q42) Which of the following reacts with con. H2SO4 [ EAM CET 1998]




SOLUTION

2Ag + 2H2SO4 → Ag2SO4 + SO2 + 2H2O
Au, Pb, Pt do not react with concentrated H2SO4
Answer: (b)


Q43) Which of the following hydride is most acidic .. [ EAMCET 1998]



SOLUTION

Acidic character increases from top to bottom in a group
Answer:(a)



Q44) Which has maximum number of oxo groups? ... [ HAryana CEET 1994]



SOLUTION

oxo group means S=O or P=O, H2SO4 have two such groups,
H2SO3 have one such group H3PO3 and H3PO4 have one P=O group
Answer: (a)


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