28344 Which among the given acids has lowest  $pKa$  value

28345 $\text{C}{\text{H}}_3\text{C}{\text{H}}_2\text{COOH}\underset{\text{Red P}}{\overset{\text{B}{\text{r}}_2}{\to }}X\underset{\mathrm{\Delta }}{\overset{\text{Alc}\text{.KOH}}{\to }}Y$$Y$  in the above reaction is

28347 In the given reaction $(x)$  will be(image) $\stackrel{NBS}{\to }\underset{ether}{\overset{Mg}{\to }}\underset{2.H^{+}}{\overset{1.C{O}_2}{\to }}X$

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28344 Which among the given acids has lowest  $pKa$  value

28345 $\text{C}{\text{H}}_3\text{C}{\text{H}}_2\text{COOH}\underset{\text{Red P}}{\overset{\text{B}{\text{r}}_2}{\to }}X\underset{\mathrm{\Delta }}{\overset{\text{Alc}\text{.KOH}}{\to }}Y$$Y$  in the above reaction is

28346 (image) $\underset{\mathrm{\Delta }}{\overset{K_{2}C{r}_2{O}_7}{\to }}(P);$Product  $(P)$ will be

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28347 In the given reaction $(x)$  will be(image) $\stackrel{NBS}{\to }\underset{ether}{\overset{Mg}{\to }}\underset{2.H^{+}}{\overset{1.C{O}_2}{\to }}X$

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28344 Which among the given acids has lowest  $pKa$  value

28345 $\text{C}{\text{H}}_3\text{C}{\text{H}}_2\text{COOH}\underset{\text{Red P}}{\overset{\text{B}{\text{r}}_2}{\to }}X\underset{\mathrm{\Delta }}{\overset{\text{Alc}\text{.KOH}}{\to }}Y$$Y$  in the above reaction is

28346 (image) $\underset{\mathrm{\Delta }}{\overset{K_{2}C{r}_2{O}_7}{\to }}(P);$Product  $(P)$ will be

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28347 In the given reaction $(x)$  will be(image) $\stackrel{NBS}{\to }\underset{ether}{\overset{Mg}{\to }}\underset{2.H^{+}}{\overset{1.C{O}_2}{\to }}X$

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28344 Which among the given acids has lowest  $pKa$  value

28345 $\text{C}{\text{H}}_3\text{C}{\text{H}}_2\text{COOH}\underset{\text{Red P}}{\overset{\text{B}{\text{r}}_2}{\to }}X\underset{\mathrm{\Delta }}{\overset{\text{Alc}\text{.KOH}}{\to }}Y$$Y$  in the above reaction is

28346 (image) $\underset{\mathrm{\Delta }}{\overset{K_{2}C{r}_2{O}_7}{\to }}(P);$Product  $(P)$ will be

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28347 In the given reaction $(x)$  will be(image) $\stackrel{NBS}{\to }\underset{ether}{\overset{Mg}{\to }}\underset{2.H^{+}}{\overset{1.C{O}_2}{\to }}X$

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