Among the following, the total number of species that contain(s) three-centered-two -electrons bond in their dimeric form is /are
`BH_(3), Al(CH_(3))_(3),AlCl_(3),BeH_(2),BeCl_(2),I Cl_(3)`

BeH_(2) contains three centre two electron bond. True or False

Find the number of chemical species, in which 2 p pi -3 d pi back bond is present B(OH)_(3), N(SiH_(3))_(3),P(CH_(3))_(3),N(GeH_(3))_(3),BeCl_(2),O(SiH_(3))_(2),O Cl_(2),BCl_(3)

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)

How many of these molecules get dimerise by 3c - 4e bonds BeCl_(2), AlCl_(3) , BH_(3), BeH_(2), Icl_(3), CH_(3)COOH

The correct sequence of bond enthalpy of C-X 'bond is : CH_(3)-F,CH_(3)-Cl,CH_(3)-Br,CH_(3)-I

Calculate the oxidation number of carbon in the following compounds. CH_(4),CH_(3)Cl,CH_(2)Cl_(2),CHCl_(3),C Cl_(4)

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)

Which of the following is a covalent solid ? (i) AF_(3) (ii) Alcl_(3) (iii) MgCl_(2) (iv) BeCl_(2)

Find the number of molecules(s) in which direction of back bonding is form surrounding atom to central atom. BF_(3),OF_(2),O Cl_(2),ul(N)(CH_(3))_(3),BF_(4)^(-)