12. ALDEHYDES KETONES AND CARBOXYLIC ACIDS[KARNATAKA CET EXCLUSIVE]
CHEMISTRY(KCET)

285584 \(+\mathrm{CH}_3 \mathrm{CHO} \xrightarrow[(2) \Delta]{(1) \text { dil. } \mathrm{NaOH}} \mathrm{P}\)
The product \(' P\) ' is

Ans:b
Exp:(b)

CHEMISTRY(KCET)

285586 Which is the most suitable reagent for the following conversion?

1 Tollens' reagent
2 \(\mathrm{I}_2\) and NaOH solution
3 Benzoyl peroxide
4 Sn andNaOH solution.
CHEMISTRY(KCET)

285572 \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{OH}\) \(\qquad\)
\(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO}\)
Hybridisation change involved at \(\mathrm{C}-1\) in the above reaction

1 \(s p^3\) to \(s p\)
2 \(s p^3\) to \(s p^2\)
3 \(s p^2\) to \(s p^3\)
4 \(s p\) to \(s p^2\)
CHEMISTRY(KCET)

285571 But-1-yne on reaction with dil.\(\mathrm{H}_2 \mathrm{SO}_4\) in presence of \(\mathrm{Hg}^{2+}\) ions at 333 K gives :

Ans:a
Exp:(a)

CHEMISTRY(KCET)

285573 In the reaction:

\(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_2+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { conc. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of X , formation of Y and Z are known by

1 Rosemmund reduction, Cannizaro reaction.
2 Clemmensen reduction, Sandmeyer reaction.
3 Wolff-Kishner reduction, Wurtz reaction.
4 Stephen reaction,Cannizaro reaction.
CHEMISTRY(KCET)

285584 \(+\mathrm{CH}_3 \mathrm{CHO} \xrightarrow[(2) \Delta]{(1) \text { dil. } \mathrm{NaOH}} \mathrm{P}\)
The product \(' P\) ' is

Ans:b
Exp:(b)

CHEMISTRY(KCET)

285586 Which is the most suitable reagent for the following conversion?

1 Tollens' reagent
2 \(\mathrm{I}_2\) and NaOH solution
3 Benzoyl peroxide
4 Sn andNaOH solution.
CHEMISTRY(KCET)

285572 \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{OH}\) \(\qquad\)
\(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO}\)
Hybridisation change involved at \(\mathrm{C}-1\) in the above reaction

1 \(s p^3\) to \(s p\)
2 \(s p^3\) to \(s p^2\)
3 \(s p^2\) to \(s p^3\)
4 \(s p\) to \(s p^2\)
CHEMISTRY(KCET)

285571 But-1-yne on reaction with dil.\(\mathrm{H}_2 \mathrm{SO}_4\) in presence of \(\mathrm{Hg}^{2+}\) ions at 333 K gives :

Ans:a
Exp:(a)

CHEMISTRY(KCET)

285573 In the reaction:

\(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_2+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { conc. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of X , formation of Y and Z are known by

1 Rosemmund reduction, Cannizaro reaction.
2 Clemmensen reduction, Sandmeyer reaction.
3 Wolff-Kishner reduction, Wurtz reaction.
4 Stephen reaction,Cannizaro reaction.
CHEMISTRY(KCET)

285584 \(+\mathrm{CH}_3 \mathrm{CHO} \xrightarrow[(2) \Delta]{(1) \text { dil. } \mathrm{NaOH}} \mathrm{P}\)
The product \(' P\) ' is

Ans:b
Exp:(b)

CHEMISTRY(KCET)

285586 Which is the most suitable reagent for the following conversion?

1 Tollens' reagent
2 \(\mathrm{I}_2\) and NaOH solution
3 Benzoyl peroxide
4 Sn andNaOH solution.
CHEMISTRY(KCET)

285572 \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{OH}\) \(\qquad\)
\(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO}\)
Hybridisation change involved at \(\mathrm{C}-1\) in the above reaction

1 \(s p^3\) to \(s p\)
2 \(s p^3\) to \(s p^2\)
3 \(s p^2\) to \(s p^3\)
4 \(s p\) to \(s p^2\)
CHEMISTRY(KCET)

285571 But-1-yne on reaction with dil.\(\mathrm{H}_2 \mathrm{SO}_4\) in presence of \(\mathrm{Hg}^{2+}\) ions at 333 K gives :

Ans:a
Exp:(a)

CHEMISTRY(KCET)

285573 In the reaction:

\(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_2+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { conc. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of X , formation of Y and Z are known by

1 Rosemmund reduction, Cannizaro reaction.
2 Clemmensen reduction, Sandmeyer reaction.
3 Wolff-Kishner reduction, Wurtz reaction.
4 Stephen reaction,Cannizaro reaction.
CHEMISTRY(KCET)

285584 \(+\mathrm{CH}_3 \mathrm{CHO} \xrightarrow[(2) \Delta]{(1) \text { dil. } \mathrm{NaOH}} \mathrm{P}\)
The product \(' P\) ' is

Ans:b
Exp:(b)

CHEMISTRY(KCET)

285586 Which is the most suitable reagent for the following conversion?

1 Tollens' reagent
2 \(\mathrm{I}_2\) and NaOH solution
3 Benzoyl peroxide
4 Sn andNaOH solution.
CHEMISTRY(KCET)

285572 \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{OH}\) \(\qquad\)
\(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO}\)
Hybridisation change involved at \(\mathrm{C}-1\) in the above reaction

1 \(s p^3\) to \(s p\)
2 \(s p^3\) to \(s p^2\)
3 \(s p^2\) to \(s p^3\)
4 \(s p\) to \(s p^2\)
CHEMISTRY(KCET)

285571 But-1-yne on reaction with dil.\(\mathrm{H}_2 \mathrm{SO}_4\) in presence of \(\mathrm{Hg}^{2+}\) ions at 333 K gives :

Ans:a
Exp:(a)

CHEMISTRY(KCET)

285573 In the reaction:

\(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_2+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { conc. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of X , formation of Y and Z are known by

1 Rosemmund reduction, Cannizaro reaction.
2 Clemmensen reduction, Sandmeyer reaction.
3 Wolff-Kishner reduction, Wurtz reaction.
4 Stephen reaction,Cannizaro reaction.
CHEMISTRY(KCET)

285584 \(+\mathrm{CH}_3 \mathrm{CHO} \xrightarrow[(2) \Delta]{(1) \text { dil. } \mathrm{NaOH}} \mathrm{P}\)
The product \(' P\) ' is

Ans:b
Exp:(b)

CHEMISTRY(KCET)

285586 Which is the most suitable reagent for the following conversion?

1 Tollens' reagent
2 \(\mathrm{I}_2\) and NaOH solution
3 Benzoyl peroxide
4 Sn andNaOH solution.
CHEMISTRY(KCET)

285572 \(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{OH}\) \(\qquad\)
\(\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CHO}\)
Hybridisation change involved at \(\mathrm{C}-1\) in the above reaction

1 \(s p^3\) to \(s p\)
2 \(s p^3\) to \(s p^2\)
3 \(s p^2\) to \(s p^3\)
4 \(s p\) to \(s p^2\)
CHEMISTRY(KCET)

285571 But-1-yne on reaction with dil.\(\mathrm{H}_2 \mathrm{SO}_4\) in presence of \(\mathrm{Hg}^{2+}\) ions at 333 K gives :

Ans:a
Exp:(a)

CHEMISTRY(KCET)

285573 In the reaction:

\(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_2+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { conc. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of X , formation of Y and Z are known by

1 Rosemmund reduction, Cannizaro reaction.
2 Clemmensen reduction, Sandmeyer reaction.
3 Wolff-Kishner reduction, Wurtz reaction.
4 Stephen reaction,Cannizaro reaction.