Find the number of molecules (s) in which shape of molecule is changed due to back bonding w.r.t under lined atom.
`ul(B)Cl_(3),ul(N)(CH_(3))_(3),ul(N)(SiH_(3))_(3),ul(P)(CH_(3))_(3),ul(B)(OCH_(3))_(3)`

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)^(-)

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)

The shape of SF_(3)Cl_(3) molecule is:

Calculate the oxidation number of the underlined atoms in the following species. ul(N)H_(2)OH,[ul(Co)(NH_(3))_(5)Cl]Cl_(2),(ul(N_(2))H_(5))_(2)SO_(4),ul(Mg)_(3)N_(2)

The correct sequence of the oxidation state of underlined elements is Na_(2)[ul(Fe)(CN)_(5)NO],K_(2)ul(Ta)F_(7),Mg_(2)ul(P)_(2)O_(7),Na_(2)ul(S)_(4)O_(6),ul(N)_(3)H

Find out the total number of compound which have p_(pi)-d_(pi) types of back bonding BF_(3),B_(3)N_(3)H_(6),O(SiH_(3))_(2),(SiH_(3))NCS,Ocl_(2),SCl_(2),PH_(3),PF_(3)

What are the oxidation number of the underlined elements in each of the following and how do you rationalise your results? a. Kul(I)_(3) b. H_(2)ul(S)_(4)O_(6) c. ul(Fe)_(3)O_(4) d. ul(C )H_(3)ul(C )H_(2)OH e. ul(C )H_(3)ul(C )OOH

Calculate the oxidation number of the underlined atom in the following ions. ul(S)O_(4)^(2-),[ul(Cr)(H_(2)O)_(6)]^(3+),[ul(Fe)(CN)_(6)]^(3-),CrO_(4)^(2-),BrO_(3)^(-)

Calculate the oxidation state of the underlined atoms in the given species. (b) ul(N)O_(3)^(-)

Among the following, what is the total number of compounds having +3 oxidation state of the underlined elements? Naul(Au)Cl_(4) ul(I)Cl ul(N)O_(2)^(ө)