$\underset{∆}{\overset{{\mathrm{H}}^{+}}{\to }}$(A) $\underset{\mathrm{Zn}}{\overset{{\mathrm{O}}_3}{\to }}$(B) $\underset{∆}{\overset{{\mathrm{HO}}^{-}}{\to }}$(C) ; Product (C) is :

      (72%)

(a)                               (b) 

(c)                          (d) 

$\stackrel{\mathrm{NaOH}}{\to }$Product; Product is :

(a)                            (b) 

(c)                     (d) 

Consider the following reaction

The products in the given reactions are-

1.	+ CH3OH
2.	+ HCO2Na
3.	+ HCOOH
4.	+ CH3OH

Which of the following is the correct order of decarboxylation of $\mathrm{\beta }$-keto carboxylate anion ?

(a) a > b > c > d        (b) c > d > a > b             (c) c > d > b > a           (d) d > c > a > b

 + ${\mathrm{CH}}_3-{\mathrm{NH}}_2$$\to$ Product of the reaction is :

(a)                  (b) 

(c)                   (d) 

Which $\mathrm{\beta }$-keto acid shown will not undergo decarboxylation ?

(1)              

(2) 

(3)    $$\begin{gathered} <mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>O \\ <mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\left|\right| \\ Ph-C-C{H}_2-C{O}_{2}H \end{gathered}$$  

(4) $$\begin{gathered} <mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>O \\ <mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\left|\right| \\ C{H}_2-C-C{H}_2-C{O}_{2}H \end{gathered}$$

$\underset{\left(2\right)<mspace\; width="1em"></mspace>{\mathrm{H}}^{+},<mspace\; width="1em"></mspace>{\mathrm{H}}_2\mathrm{O}}{\overset{\left(1\right)<mspace\; width="1em"></mspace>\mathrm{Et}-\mathrm{Li}(3-\mathrm{eq}.)}{\to }}$ (P)     ; Product (P) of the reaction is :

                                               (65% yield)

(a)    (b)   (c)   (d) 

 $\underset{∆}{\overset{{\mathrm{H}}_3\mathrm{O}}{\to }}$ (A) , Product (A) obtained is :

(1) 

(2) 

(3) 

(4) 

Which of the following acid on heating gives geometrical isomers as a product ?

(a)      $$\begin{gathered} <mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>OH \\ <mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>| \\ C{H}_3-CH-C{O}_{2}H \end{gathered}$$                 (b) 

(c)     $$\begin{gathered} C{H}_3-CH-C{H}_2-C{O}_{2}H \\ <mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>| \\ <mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>OH \end{gathered}$$   (d) All of these

$\stackrel{\mathrm{MeOH}}{\to }$A$\stackrel{{\mathrm{PCl}}_3}{\to }$B$\stackrel{{\mathrm{MeNH}}_2}{\to }$C ; Product (C) of the reaction is :

(a)                        (b) 

(c)                              (d)