પ્રકિયા ને ધ્યાન માં લો , \(A, \,X,\, Y\) અને \(Z.\) શોધો \(\underset{({{C}_{2}}{{H}_{6}}O)}{\mathop{X}}\,\,\xrightarrow[573\,\,K]{Cu}\) \(A\) \(\xrightarrow[^{-}OH\,,\,\Delta ]{{{[Ag{{(N{{H}_{3}})}_{2}}]}^{+}}}\) Silver mirror \(A\,\xrightarrow{^{-}OH\,,\,\Delta }Y\) \(A\,\xrightarrow{N{{H}_{2}}NHCON{{H}_{2}}}Z\)

A \(A-\) મિથોક્સી મિથેન , \(X -\) ઇથેનોલ \(Y-\) ઇથેનોઈક એસિડ , \(Z-\) સેમીકાર્બેઝાઇડ
B \(A-\) ઇથેનાલ , \(X -\) ઇથેનોલ , \(Y-\) બ્યુટ \(-{2-}\) ઇનાલ, \(Z-\) સેમીકાર્બેઝોન
C \(A-\) ઇથેનોલ , \(X -\) એસીટાલ્ડિહાઈડ, \(Y-\) બ્યુટાનોન , \(Z-\) હાયડ્રેઝોન
D \(A-\) મિથોક્સી મિથેન, \(X -\) ઇથેનોઈક એસિડ , \(Y-\) એસીટેટ આયન \(Z-\) હાઈડ્રેઝિન

Verified Solution

Answer & Solution

Correct Answer

(B) \(A-\) ઇથેનાલ , \(X -\) ઇથેનોલ , \(Y-\) બ્યુટ \(-{2-}\) ઇનાલ, \(Z-\) સેમીકાર્બેઝોન

Step-by-step Solution

Detailed explanation

since '\(A\)' gives positive silver mirror test therefore, it must be an aldehyde or \(\alpha\) -Hydroxyketone. Reaction with semicarbazide indicates that \(A\) can be an aldehyde or ketone.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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