Q.
Which of the following statements are correct about the above reaction?

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The reaction is called Claisen-Schmidt reaction.

The reaction is called Claisen rearrangement reaction.

Product (B) is;

Product (B) is

Solution:

It is an example of Claisen rearrangement reaction.

Questions from Aldehydes Ketones and Carboxylic Acids

1.
This reaction is called

AMU 2012

2. Toluene by Etard's reaction gives

UP CPMT 2012

3. The reduction of benzoyl chloride with $H_2/Pd\, BaSO_4$ gives

UP CPMT 2010

4. Acetaldehyde can be prepared by

UP CPMT 2011

5. Assertion : Glyceraldehyde reacts with $Br_2/ H_2O$ to form achiral compound.
Reason : $-CHO$ and $-CH_2OH$ both are oxidised.

AIIMS 2019

Chemistry Most Viewed Questions

1. If for a certain reaction $\Delta_{r}H$ is $30\, kJ\, mol^{-1}$ at $450 \,K$, the value of $\Delta_{r}S$ (in $JK^{-1}\, mol^{-1})$ for which the same reaction will be spontaneous at the same temperature is

NEET 2020

2. If $8\,g$ of a non-electrolyte solute is dissolved in $114\, g$ of n-octane to reduce its vapour pressure to $80\%$, the molar mass (in $g \,mol^{-1})$ of the solute is [Given that molar mass of n-octane is $114 \,g\, mol^{-1}]$

NEET 2020 Solutions

3. An organic compound contains $78 \%$ (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of $C$ is $12, H$ is $1$]

NEET 2021 Some Basic Concepts of Chemistry

4. At standard conditions, if the change in the enthalpy for the following reaction is $-109 \,kJ\, mol^{-1}$ $H_{2(g)}+Br_{2(g)} \to 2HBr_{(g)}$ Given that bond energy of $H_{2}$ and $Br_{2}$ is $435\,KJ\,mol^{-1}$ and $192\,KJ\,mol^{-1}$ , respectively, what is the bond energy (in $KJ \,mol^{-1})$ of $HBr$ ?

NEET 2020

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm$^3$. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol$^{-1}$]

NEET 2019 Some Basic Concepts of Chemistry

Q. Which of the following statements are correct about the above reaction?

The reaction is called Claisen-Schmidt reaction.

The reaction is called Claisen rearrangement reaction.

Product (B) is;

Product (B) is

It is an example of Claisen rearrangement reaction.

Questions from Aldehydes Ketones and Carboxylic Acids

1. This reaction is called

2. Toluene by Etard's reaction gives

3. The reduction of benzoyl chloride with $H_2/Pd\, BaSO_4$ gives

4. Acetaldehyde can be prepared by

5. Assertion : Glyceraldehyde reacts with $Br_2/ H_2O$ to form achiral compound. Reason : $-CHO$ and $-CH_2OH$ both are oxidised.

Chemistry Most Viewed Questions

1. If for a certain reaction $\Delta_{r}H$ is $30\, kJ\, mol^{-1}$ at $450 \,K$, the value of $\Delta_{r}S$ (in $JK^{-1}\, mol^{-1})$ for which the same reaction will be spontaneous at the same temperature is

2. If $8\,g$ of a non-electrolyte solute is dissolved in $114\, g$ of n-octane to reduce its vapour pressure to $80\%$, the molar mass (in $g \,mol^{-1})$ of the solute is [Given that molar mass of n-octane is $114 \,g\, mol^{-1}]$

3. An organic compound contains $78 \%$ (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of $C$ is $12, H$ is $1$]

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm$^3$. The molality of the solution is [Given that molecular mass of NaOH = 40 g mol$^{-1}$]

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Q.
Which of the following statements are correct about the above reaction?

1.
This reaction is called

5. Assertion : Glyceraldehyde reacts with $Br_2/ H_2O$ to form achiral compound.
Reason : $-CHO$ and $-CH_2OH$ both are oxidised.

5. The density of 2 M aqueous solution of NaOH is 1.28 g/cm$^3$. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol$^{-1}$]