13. AMINES[KARNATAKA CET EXCLUSIVE]
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CHEMISTRY(KCET)

285627 Which of the following will be the most stablediazonium salt \(\left(R \mathrm{~N}_2^{+} \mathrm{X}^{-}\right)\)?

1 \(\mathrm{CH}_3 \mathrm{~N}_2^{+} \mathrm{X}^{-}\)
2 \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}_2^{+} X^{-}\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{~N}_2^{+} \mathrm{X}^{-}\)
4 \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{~N}_2^{+} X^{-}\)
Karnataka CET 2018
CHEMISTRY(KCET)

285628 Gabrielphthalimide synthesis is used in the preparation of primary amines from phthalimide, which of the following reagent is not used during the process?

1 NaOH
2 HCl
3 KOH
4 Alkyl Halides
Karnataka CET 2017
CHEMISTRY(KCET)

285629 The correct order of increasing basic nature for the bases\(\mathrm{NH}_3, \mathrm{CH}_3 \mathrm{NH}_2\) and \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\) in aqueous solutions

1 \(\mathrm{CH}_3 \mathrm{NH}_2<\mathrm{NH}_3<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\)
2 \(\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3\)
3 \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2\)
4 \(\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285630 In the following sequence of reactions;

\(A \xrightarrow{\text { Reduction }} B \xrightarrow{\mathrm{HNO}_2} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}\)
The compound \(A\) is

1 propane nitrile
2 ethane nitrile
3 nitormethane
4 methyl isocyanate.
Karnataka CET 2016
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CHEMISTRY(KCET)

285627 Which of the following will be the most stablediazonium salt \(\left(R \mathrm{~N}_2^{+} \mathrm{X}^{-}\right)\)?

1 \(\mathrm{CH}_3 \mathrm{~N}_2^{+} \mathrm{X}^{-}\)
2 \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}_2^{+} X^{-}\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{~N}_2^{+} \mathrm{X}^{-}\)
4 \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{~N}_2^{+} X^{-}\)
Karnataka CET 2018
CHEMISTRY(KCET)

285628 Gabrielphthalimide synthesis is used in the preparation of primary amines from phthalimide, which of the following reagent is not used during the process?

1 NaOH
2 HCl
3 KOH
4 Alkyl Halides
Karnataka CET 2017
CHEMISTRY(KCET)

285629 The correct order of increasing basic nature for the bases\(\mathrm{NH}_3, \mathrm{CH}_3 \mathrm{NH}_2\) and \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\) in aqueous solutions

1 \(\mathrm{CH}_3 \mathrm{NH}_2<\mathrm{NH}_3<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\)
2 \(\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3\)
3 \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2\)
4 \(\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285630 In the following sequence of reactions;

\(A \xrightarrow{\text { Reduction }} B \xrightarrow{\mathrm{HNO}_2} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}\)
The compound \(A\) is

1 propane nitrile
2 ethane nitrile
3 nitormethane
4 methyl isocyanate.
Karnataka CET 2016
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CHEMISTRY(KCET)

285627 Which of the following will be the most stablediazonium salt \(\left(R \mathrm{~N}_2^{+} \mathrm{X}^{-}\right)\)?

1 \(\mathrm{CH}_3 \mathrm{~N}_2^{+} \mathrm{X}^{-}\)
2 \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}_2^{+} X^{-}\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{~N}_2^{+} \mathrm{X}^{-}\)
4 \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{~N}_2^{+} X^{-}\)
Karnataka CET 2018
CHEMISTRY(KCET)

285628 Gabrielphthalimide synthesis is used in the preparation of primary amines from phthalimide, which of the following reagent is not used during the process?

1 NaOH
2 HCl
3 KOH
4 Alkyl Halides
Karnataka CET 2017
CHEMISTRY(KCET)

285629 The correct order of increasing basic nature for the bases\(\mathrm{NH}_3, \mathrm{CH}_3 \mathrm{NH}_2\) and \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\) in aqueous solutions

1 \(\mathrm{CH}_3 \mathrm{NH}_2<\mathrm{NH}_3<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\)
2 \(\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3\)
3 \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2\)
4 \(\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285630 In the following sequence of reactions;

\(A \xrightarrow{\text { Reduction }} B \xrightarrow{\mathrm{HNO}_2} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}\)
The compound \(A\) is

1 propane nitrile
2 ethane nitrile
3 nitormethane
4 methyl isocyanate.
Karnataka CET 2016
For More Updates join with Us
CHEMISTRY(KCET)

285627 Which of the following will be the most stablediazonium salt \(\left(R \mathrm{~N}_2^{+} \mathrm{X}^{-}\right)\)?

1 \(\mathrm{CH}_3 \mathrm{~N}_2^{+} \mathrm{X}^{-}\)
2 \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{~N}_2^{+} X^{-}\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{~N}_2^{+} \mathrm{X}^{-}\)
4 \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{~N}_2^{+} X^{-}\)
Karnataka CET 2018
CHEMISTRY(KCET)

285628 Gabrielphthalimide synthesis is used in the preparation of primary amines from phthalimide, which of the following reagent is not used during the process?

1 NaOH
2 HCl
3 KOH
4 Alkyl Halides
Karnataka CET 2017
CHEMISTRY(KCET)

285629 The correct order of increasing basic nature for the bases\(\mathrm{NH}_3, \mathrm{CH}_3 \mathrm{NH}_2\) and \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\) in aqueous solutions

1 \(\mathrm{CH}_3 \mathrm{NH}_2<\mathrm{NH}_3<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\)
2 \(\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3\)
3 \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}<\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2\)
4 \(\mathrm{NH}_3<\mathrm{CH}_3 \mathrm{NH}_2<\left(\mathrm{CH}_3\right)_2 \mathrm{NH}\)
Karnataka CET 2017
CHEMISTRY(KCET)

285630 In the following sequence of reactions;

\(A \xrightarrow{\text { Reduction }} B \xrightarrow{\mathrm{HNO}_2} \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}\)
The compound \(A\) is

1 propane nitrile
2 ethane nitrile
3 nitormethane
4 methyl isocyanate.
Karnataka CET 2016