01Medium42×since 2002Q292The oxoacid of sulphur that does not contain bond between sulphur atoms isAH₂S₂O₇BH₂S₂O₃CH₂S₄O₆DH₂S₂O₄Check answerSkip
02Medium42×since 2002Q293The correct statement among the following is :A(SiH₃)₃N is planar and more basic than (CH₃)₃NB(SiH₃)₃N is pyramidal and more basic than (CH₃)₃NC(SiH₃)₃N is pyramidal and less basic than (CH₃)₃ND(SiH₃)₃N is planar and less basic than (CH₃)₃NCheck answerSkip
03Easy42×since 2002Q294The compound that has the largest H–M–H bond angle (M = N, O, S, C) is :ACH₄BH₂SCNH₃DH₂OCheck answerSkip
04Easy42×since 2002Q295The structure of PCl₅ in the solid state is :Asquare pyramidalBtetrahedral [PCl₄]⁺ and octahedral [PCl₆]^–Csquare planar [PCl₄]⁺ and octahedral [PCl₆]^–Dtrigonal bipyramidalCheck answerSkip
05Medium42×since 2002Q296The molecular geometry of SF₆ is octahedral. What is the geometry of SF₄ (including lone pair(s) of electrons, if any)?ATetrahedralBTrigonal bipyramidalCSquare planarDPyramidalCheck answerSkip
06Medium42×since 2002Q297If AB₄ molecule is a polar molecule, a possible geometry of AB₄ isATetrahedralBsee-sawCSquare pyramidalDSquare planarCheck answerSkip
07Easy42×since 2002Q298The shape / structure of [XeF₅]^– and XeO₃F₂, respectively, areAPentagonal planar and trigonal bipyramidalBTrigonal bipyramidal and pentagonal planarCOctahedral and square pyramidalDTrigonal bipyramidal and trigonal bipyramidalCheck answerSkip
08Easy42×since 2002Q299The number of sp² hybrid orbitals in a molecule of benzene is :A24B12C6D18Check answerSkip
09Medium42×since 2002Q300Which of the following are isostructural pairs ? A. SO42−SO_4^{2 - }SO42− and CrO42−CrO_4^{2 - }CrO42− B. SiCl₄, and TiCl₄ C. NH₃ and NO₃⁻ D. BCl₃ and BrCl₃AB and C onlyBC and D onlyCA and B onlyDA and C onlyCheck answerSkip
10Medium42×since 2002Q301The correct shape and I−I−II - I - II−I−I bond angles respectively in I3−I_3^ -I3− ion are :ALinear; 180∘^\circ∘BT-shaped; 180∘^\circ∘ and 90∘^\circ∘CTrigonal planar; 120∘^\circ∘DDistorted trigonal planar; 135∘^\circ∘ and 90∘^\circ∘Check answerSkip