Find out the total number of species having atleast one adjacent bond angles is `le 90^(@)`
`BrF_(5),XeO_(3),SiCl_(4),SOF_(4),SO_(3),PCl_(5),IO_(2)F_(2)^(Theta)`

Consider the following species and find out total number of species which are polar and can act as Lewis acid C Cl_(4),CO_(2),SO_(2),AlCl_(3),HCHO,SO_(3),SiCl_(4),BCl_(3),CF_(4)

Consider the following species and find out total number of species which are polar and can act as Lewis acid C Cl_(4),CO_(2),SO_(2),AlCl_(3),HCHO,SO_(3),SiCl_(4),BCl_(3),CF_(4)

Amongst the following the total number of species which does/do not exist is : SF_6,BF_6^(3-), SF_4, OF_4, AIF_6^(3-),PH_5, PCl_5, NCl_5, SCl_6

How many of the following species have no d-orbital s involved in their hybridisation XeF_(2),SnF_(2) PbCl_(2),SF_(4),C Cl_(4),BF_(3),SO_(2)Cl_(2),XeO_(2)F_(2),XeOF_(4),POCl_(3)

How many compound have lone pair at central atom zero. XeO_(3),XeO_(2)F_(2),XeO_(4),XeO_(3)F_(2),Ba_(2)XeF_(2)

Find the total number of acidic radical which prodce with dil HCl SO_(4)^(2-),I^(-),NO_(2)^(-),SO_(3)^(2-),HCO_(3)^(-)

Total number of species that can be oxidzed by acidic permanganate ion (MnO_(4)^(-)//H^(+)) . I^(-),Fe^(2+),CO_(2),C_(2)O_(4)^(2-),S^(2-),SO_(3)^(2-),NO_(2)^(2-),PO_(4)^(3-),SO_(4)^(2-)

Total number of electrophiles present in the following are NO_(2)^(+), SO_(3), CN^(-), F^(-), C Cl_(4), NH_(3), , :C Cl_(2) .

The number of compounds having all atoms in a single plane are XeF_(4),SF_(4), Al_(2)Cl_(6),SnCl_(4),I_(2)Cl_(6), H_(2)C=C=C=CH_(2), PhCl, C_(2)(CN)_(4),ICl_(3), PCl_(5)

Total number of species among following, in which bond angle is equal to or less than 109^(@)28' and also they act as lewis base : NH_(3), NMe_(3), O(SiH_(3))_(2), ICl_(4)^(-), XeO_(3), BF_(2)Cl, SiF_(4), AsH_(3), SO_(2)F_(2)