Reactions of Phenols
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323287 \({\text{Phenol}}\xrightarrow{{\text{x}}}\) forms a tribromo derivative. " \(\mathrm{X}\) " is

1 bromine in benzene
2 bromine in water
3 potassium bromide solution
4 bromine in carbon tetrachloride at \(0^{0} \mathrm{C}\).
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323288 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
Picric acid is 2,4,6-trinitrotoluene.
Statement B :
Phenol-2,4-disulphonic acid is treated with conc. \({\mathrm{\mathrm{HNO}_{3}}}\) to get picric acid.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323289 Identify the product (A) obtained in the following reaction
\({\text{Phenol + Concentrated}}\,\,{\text{Nitric}}\,{\text{acid}}\xrightarrow[{{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}]{{{\text{Concentrated}}}}{\text{A}}\)

1 o-Nitrophenol
2 p-Nitrophenol
3 Mixture of o-Nitrophenol and p-Nitrophenol
4 2,4,-6 Trinitrophenol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323290 Statement A :
In case of phenol bromination takes place even in absence of lewis acid whereas bromination of benzene takes place in presence of Lewis acid like \(\mathrm{FeBr}_{3}\).
Statement B :
- OH group attached to benzene ring is highly deactivating.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323287 \({\text{Phenol}}\xrightarrow{{\text{x}}}\) forms a tribromo derivative. " \(\mathrm{X}\) " is

1 bromine in benzene
2 bromine in water
3 potassium bromide solution
4 bromine in carbon tetrachloride at \(0^{0} \mathrm{C}\).
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323288 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
Picric acid is 2,4,6-trinitrotoluene.
Statement B :
Phenol-2,4-disulphonic acid is treated with conc. \({\mathrm{\mathrm{HNO}_{3}}}\) to get picric acid.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323289 Identify the product (A) obtained in the following reaction
\({\text{Phenol + Concentrated}}\,\,{\text{Nitric}}\,{\text{acid}}\xrightarrow[{{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}]{{{\text{Concentrated}}}}{\text{A}}\)

1 o-Nitrophenol
2 p-Nitrophenol
3 Mixture of o-Nitrophenol and p-Nitrophenol
4 2,4,-6 Trinitrophenol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323290 Statement A :
In case of phenol bromination takes place even in absence of lewis acid whereas bromination of benzene takes place in presence of Lewis acid like \(\mathrm{FeBr}_{3}\).
Statement B :
- OH group attached to benzene ring is highly deactivating.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323287 \({\text{Phenol}}\xrightarrow{{\text{x}}}\) forms a tribromo derivative. " \(\mathrm{X}\) " is

1 bromine in benzene
2 bromine in water
3 potassium bromide solution
4 bromine in carbon tetrachloride at \(0^{0} \mathrm{C}\).
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323288 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
Picric acid is 2,4,6-trinitrotoluene.
Statement B :
Phenol-2,4-disulphonic acid is treated with conc. \({\mathrm{\mathrm{HNO}_{3}}}\) to get picric acid.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323289 Identify the product (A) obtained in the following reaction
\({\text{Phenol + Concentrated}}\,\,{\text{Nitric}}\,{\text{acid}}\xrightarrow[{{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}]{{{\text{Concentrated}}}}{\text{A}}\)

1 o-Nitrophenol
2 p-Nitrophenol
3 Mixture of o-Nitrophenol and p-Nitrophenol
4 2,4,-6 Trinitrophenol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323290 Statement A :
In case of phenol bromination takes place even in absence of lewis acid whereas bromination of benzene takes place in presence of Lewis acid like \(\mathrm{FeBr}_{3}\).
Statement B :
- OH group attached to benzene ring is highly deactivating.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323287 \({\text{Phenol}}\xrightarrow{{\text{x}}}\) forms a tribromo derivative. " \(\mathrm{X}\) " is

1 bromine in benzene
2 bromine in water
3 potassium bromide solution
4 bromine in carbon tetrachloride at \(0^{0} \mathrm{C}\).
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323288 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
Picric acid is 2,4,6-trinitrotoluene.
Statement B :
Phenol-2,4-disulphonic acid is treated with conc. \({\mathrm{\mathrm{HNO}_{3}}}\) to get picric acid.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323289 Identify the product (A) obtained in the following reaction
\({\text{Phenol + Concentrated}}\,\,{\text{Nitric}}\,{\text{acid}}\xrightarrow[{{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}]{{{\text{Concentrated}}}}{\text{A}}\)

1 o-Nitrophenol
2 p-Nitrophenol
3 Mixture of o-Nitrophenol and p-Nitrophenol
4 2,4,-6 Trinitrophenol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

323290 Statement A :
In case of phenol bromination takes place even in absence of lewis acid whereas bromination of benzene takes place in presence of Lewis acid like \(\mathrm{FeBr}_{3}\).
Statement B :
- OH group attached to benzene ring is highly deactivating.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.