Determine `F.C` on each atom in
(a) carbocation `H_3 O^(oplus)`
(b) carbanion `H_3 C^(ӫ)`
( c) free radical `H_3 C^.`
(d) carbene `H_2 C :`.

Determine the F.C on each atom in : (a) HOBr (b) overset (oplus)N H_4 ( c) H_2 O : B B r_3 .

Determine the F.C on each atom in : (a) HOBr (b) overset (oplus)N H_4 ( c) H_2 O : B B r_3 .

Explain whether oxidation, reductio, or neither occurs in the following reactions : (a) H_2 C= CH_2 rarr H_3 C - CH_3 (b) HC -= CH rarr H_3 C- CH = O ( c) CH_4 rarr CH_3 OH (d) H_2 CB r_2 rarr H_2 C = O II. Give the structural formula for the simplest hydrocarbon in which C has a zero O.N .

Explain whether oxidation, reductio, or neither occurs in the following reactions : (a) H_2 C= CH_2 rarr H_3 C - CH_3 (b) HC -= CH rarr H_3 C- CH = O ( c) CH_4 rarr CH_3 OH (d) H_2 CB r_2 rarr H_2 C = O II. Give the structural formula for the simplest hydrocarbon in which C has a zero O.N .

Give the order of the stabilities of the following : (i) (a) PhCH_2^(oplus) (b) Ph_2C overset (oplus) H ( c) Me_2Ch^(oplus) (d) Me_3C^(oplus) ( e) C_2 H_5^(oplus) (f) Ch_3^(oplus)

The reaction intermediates involved in the addition of HBr to propene in the presence of an organic peroxide are (a) free radicals (b)carbocations (c)carbanions (d)carbenes

Explain why (CH_3)_3C^(oplus) is more stable than CH_3 overset (oplus) C H_2 and overset (oplus) C H_3 is less stable.

Which of the following is not obtained in the solid form? (1)L i H C O 3 (2) N a H C O 3 (3) R b H C O 3 (4) C s H C O 3