Diazonium Salts
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CHXII13:AMINES

324278 \({\mathrm{\mathrm{PhN}_{2}^{+} \mathrm{Cl}^{-}+\mathrm{Ph}-\mathrm{OH} \xrightarrow[273-278 \mathrm{~K}]{\mathrm{OH}^{-}}}}\)Orange dye
Total number of sigma and pi bonds present in orange dye is ____ .

1 31
2 33
3 32
4 34
CHXII13:AMINES

324279 Which of the following statements is incorrect?

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is soluble in water.
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{BF}_{4}\) is soluble in water.
3 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is stable at room temperature.
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is stable at \(0^{o} \mathrm{C}\).
CHXII13:AMINES

324280 Which of the following reactions belong to aromatic electrophilic substitution?
I. Bromination of acetanilide
II. Coupling reaction of aryl diazonium salts
III. Diazotisation of aniline
IV. Acylation of aniline
Choose the correct option

1 I and II
2 II and III
3 III and IV
4 I and IV
CHXII13:AMINES

324281 The IUPAC name of \(\mathrm{CH}_{2}=\mathrm{CHCN}\) is

1 Vinyl nitrile
2 Vinyl cyanide
3 Prop-2-ene-1-nitrile
4 Cyanoethane
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CHXII13:AMINES

324278 \({\mathrm{\mathrm{PhN}_{2}^{+} \mathrm{Cl}^{-}+\mathrm{Ph}-\mathrm{OH} \xrightarrow[273-278 \mathrm{~K}]{\mathrm{OH}^{-}}}}\)Orange dye
Total number of sigma and pi bonds present in orange dye is ____ .

1 31
2 33
3 32
4 34
CHXII13:AMINES

324279 Which of the following statements is incorrect?

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is soluble in water.
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{BF}_{4}\) is soluble in water.
3 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is stable at room temperature.
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is stable at \(0^{o} \mathrm{C}\).
CHXII13:AMINES

324280 Which of the following reactions belong to aromatic electrophilic substitution?
I. Bromination of acetanilide
II. Coupling reaction of aryl diazonium salts
III. Diazotisation of aniline
IV. Acylation of aniline
Choose the correct option

1 I and II
2 II and III
3 III and IV
4 I and IV
CHXII13:AMINES

324281 The IUPAC name of \(\mathrm{CH}_{2}=\mathrm{CHCN}\) is

1 Vinyl nitrile
2 Vinyl cyanide
3 Prop-2-ene-1-nitrile
4 Cyanoethane
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CHXII13:AMINES

324278 \({\mathrm{\mathrm{PhN}_{2}^{+} \mathrm{Cl}^{-}+\mathrm{Ph}-\mathrm{OH} \xrightarrow[273-278 \mathrm{~K}]{\mathrm{OH}^{-}}}}\)Orange dye
Total number of sigma and pi bonds present in orange dye is ____ .

1 31
2 33
3 32
4 34
CHXII13:AMINES

324279 Which of the following statements is incorrect?

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is soluble in water.
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{BF}_{4}\) is soluble in water.
3 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is stable at room temperature.
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is stable at \(0^{o} \mathrm{C}\).
CHXII13:AMINES

324280 Which of the following reactions belong to aromatic electrophilic substitution?
I. Bromination of acetanilide
II. Coupling reaction of aryl diazonium salts
III. Diazotisation of aniline
IV. Acylation of aniline
Choose the correct option

1 I and II
2 II and III
3 III and IV
4 I and IV
CHXII13:AMINES

324281 The IUPAC name of \(\mathrm{CH}_{2}=\mathrm{CHCN}\) is

1 Vinyl nitrile
2 Vinyl cyanide
3 Prop-2-ene-1-nitrile
4 Cyanoethane
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CHXII13:AMINES

324278 \({\mathrm{\mathrm{PhN}_{2}^{+} \mathrm{Cl}^{-}+\mathrm{Ph}-\mathrm{OH} \xrightarrow[273-278 \mathrm{~K}]{\mathrm{OH}^{-}}}}\)Orange dye
Total number of sigma and pi bonds present in orange dye is ____ .

1 31
2 33
3 32
4 34
CHXII13:AMINES

324279 Which of the following statements is incorrect?

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is soluble in water.
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{BF}_{4}\) is soluble in water.
3 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is stable at room temperature.
4 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}\) is stable at \(0^{o} \mathrm{C}\).
CHXII13:AMINES

324280 Which of the following reactions belong to aromatic electrophilic substitution?
I. Bromination of acetanilide
II. Coupling reaction of aryl diazonium salts
III. Diazotisation of aniline
IV. Acylation of aniline
Choose the correct option

1 I and II
2 II and III
3 III and IV
4 I and IV
CHXII13:AMINES

324281 The IUPAC name of \(\mathrm{CH}_{2}=\mathrm{CHCN}\) is

1 Vinyl nitrile
2 Vinyl cyanide
3 Prop-2-ene-1-nitrile
4 Cyanoethane