In Which of the following pair the EAN of central metal atom is not same?
1.[Fe`(CN)_(6)`]`overset(3)``overset(-)`and [Fe(N`H_(3)`6overset(3)``overset(+)`
2. [Cr(N`H_(3))6`

For the given four structures , I to IV, which of the following is correct ? underset((I))(C_(2)H_(5)-overset(CH_(3))overset(|)(C)H-C_(3)H_(7)) underset((II))(CH_(3)-overset(O)overset(P)(C)-overset(CH_(3))overset(|)(C)H-C_(2)H_(5)) underset((III))(CH_(3)-overset(O)overset(P)(C ) -overset(C_(2)H_(5))overset(|)(C ) H -C_(2)H_(5)) underset((IV))(C_(2)H_(5)-overset(CH_(3))overset(|)(C)H-C_(2)H_(5))

Which of the following can give iodoform test? (I) CH_(3)-overset(O)overset(||)C-CH_(2)-overset(O)overset(||)C-CH_(3) (II) C_(6)H_(5)-CH_(2)-overset(O)overset(||)C-CH_(3) (III) CH_(3)-CHO (IV) C_(6)H_(5)-overset(O)overset(||)C-CH_(3)

One among the following is the correct IUPAC name for the compound CH_(3)CH_(2)-overset(H)overset(|)N-overset(H)overset(|)C=O

Calculate EAN of central atom/ ion in (1) K_(4)[Fe(CN)_(6)] (2) [Co(en)_(2)(NH_(3))_(2)]^(3+)

The number of tertiary carbon atoms in the following^ structure is CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C )-CH_(2)-overset(CH_(3))overset(|)(C )H-CH_(3)

For the following acids the rate of decarboxylation on heating would be I. CH_(6)H_(5)-overset(O)overset(||)(C)-CH_(2)-COOH " " (II) C_(6)H_(5)-overset(O)overset(||)(C)-COOH III. CH_(3)-CH_(2)-COOH " " IV. HOOC-CH_(2)-COOH

The correct stability order of the following resonance structure is : (I) H_(2)C= overset( +)(N) =overset( -)(N) (II) H_(2)overset( +)(C )-N = overset( -)(N) (III) H_(2)overset( -)(C ) - overset( +)(N) = N (IV) H_(2)overset( - ) (C ) -N = overset( +)(N )