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underset((A))(MeCH)=O+underset((B))(H(2)...

`underset((A))(MeCH)=O+underset((B))(H_(2)NOH) overset(HCOONa)underset(Delta)rarr (C )+H_(2)O` Product (C ) is:

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The correct Answer is:
C
Anti-elimination of H and OH from oxime occurs with HCOONa.
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The following reaction is an example of H-underset("Ethanol")(underset(H)underset(|)overset(H)overset(| beta)(C)-underset(OH)underset(|)overset(H)overset(| alpha)(C))-Hunderset(Delta)overset(Conc. H_(2)SO_(4))rarr underset("Ethene")(CH_(2)==)CH_(2)+H_(2)O

H_(3)C-CH_(2)-overset(CH_(3))overset(|)(CH)-underset(O)underset(||)(C)-NH_(2) overset(Br_(2)+KOH)underset(Delta)rarr A overset(1.CH_(3)I("excess"))underset(2.AgOH,Delta)rarr B The major product (B) is:

H_(3)C-overset(O)overset("||")C-O-underset(Ph)underset(|)C=CH_(2)+H_(2)O overset(NaOH)underset(H_(3)^(oplus)O)rarrX+Y X and Y are:

`'A' +NaOH rarr 'B' ("gas") +'C' overset(Zn)rarr 'B'`
`underset(("gas"))('B') overset([O])rarr underset(("gas"))('D') overset(Mg)underset(Delta)rarr underset(("White"))('E') overset(H_(2)O)rarr underset(("gas"))('B')`
The gas D and B are respectively?

In the reaction sequence CH_(3)-overset(O)overset(||)(C)-H-underset(.^(Θ)OH)overset(HCN)rarr(A) underset(Delta)overset(H_(2)O //overset(o+)(H))rarr Product is/are :

Identify the compound 'D' in the following series of reactions . CH_(3)-overset(CH_(3))overset(|) ( C)H - CH_(2)-CH_(2)- Br overset("alc." KOH)underset(Delta)(to) 'A' overset("(i) Conc." H_(2)SO_(4))underset("(ii)" H_(2)O , Delta)(to) underset("(Major product)") ('D') + underset("(Minor product)")('C') 'B' overset(HI , Delta)underset(-H_(2)O)(to) underset("(Major product)")('D') + underset("(Minor product)")

Identify the compound 'D' in the following series of reactions .
`CH_(3)-overset(CH_(3))overset(|) ( C)H - CH_(2)-CH_(2)- Br overset("alc." KOH)underset(Delta)(to) 'A' overset("(i) Conc." H_(2)SO_(4))underset("(ii)" H_(2)O , Delta)(to) underset("(Major product)") ('D') + underset("(Minor product)")('C') 'B' overset(HI , Delta)underset(-H_(2)O)(to) underset("(Major product)")('D') + underset("(Minor product)")`

overset((i)H_(2)O^(+))underset((ii)Delta)rarrA overset(H_(2)NOH)underset(pH5//6)rarrBoverset((i)"Conc. "H_(2)SO_(4))underset(underset((ii)H_(3)O^(+))(Delta))rarrC Compound C in above reaction sequence is

Ph-underset(14)overset(O)overset("||")(C)-CHN_(2) underset(H_(2)O)overset(Ag_(2)O)(rarr)(A) , product (A) is :

`overset(H_(2)O^(+))underset(Delta)rarr[B]`

`CH_(3)C-=C CH_(3)underset((ii)H_(2) O //Zn)overset((i)X)(to)H_(3)C-underset(O)underset(||)(C)-underset(O)underset(||)(C)-CH_(3)`
In the above reaction X is

In the following sequence of reactions, the compound C formed would be
`CH_(3)-underset(NH_(2))underset("| ")"CH"-CH_(3)overset(HNO_(2))underset(H_(2)O)rarr A overset([O])rarr B overset(CH_(3)MgI)underset(H^(+)//H_(2)O)rarr C`

Explain how the hybrid structure is related to the structures of each of the following pairs of contributing resonance structures?
(a) `overset(oplus)(C )H_(2) underset((i))- underset(..)overset(Θ)C H_(2) harr CH_(2) underset((ii))= CH_(2)`
(b) `H_(2)C underset((iii))= overset(..)(O): harr H_(2)C underset((iv))- underset(..)overset(..)O:^(-)`
(c ) `R_(2) overset(+)C- underset(underset(underset((v))(R ))(|))C= overset(..)O: harr underset((vi))(R_(2)C = underset(underset(R )(|))(C) - overset(..)O:^(+))`
(d) `underset((VII)) (R-C^(+) = overset(..)(O): )harr underset((VIII))(R-C-= O:^(+))`
(e ) `underset((IX))(R- underset(underset( :O: )(||))(C)- underset(..)overset(..)OH) harr underset((IX))(R- underset(underset( :underset(..)(O): )(|))(C) - ""^(oplus")underset(..)OH)`

C_(6)H_(5)N_(2)Cl underset(KCN)overset(CuCN)rarr A underset(H^(+))overset(H_(2)O)rarr B underset(Delta)overset(NH_(3))rarr C underset(NaOH)overset(Br_(2))rarr D . Identify the final product, D.

`underset((A))(MeCH)=O+underset((B))(H_(2)NOH) overset(HCOONa)underset(Delta)rarr (C )+H_(2)O` Product (C ) is:

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