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Standard XII

Chemistry

Redox Reactions

An organic co...

Question

An organic compound $(C_{3} H_{9} N) (A)$ , when treated with nitrous acid, gave an alcohol and $N_{2}$ gas was evolved. $(A)$ on warming with $C H {C l}_{3}$ and caustic potash gave $(C)$ which on reduction gave isopropylmethylamine. Predict the structure of $(A)$ .

{C H}_{3} {C H}_{2} - N H - {C H}_{3}

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{C H}_{3} - N | {C H}_{3} - {C H}_{3}

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{C H}_{3} {C H}_{2} {C H}_{2} - {N H}_{2}

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(C H_{3})_{2} - C H - N H_{2}

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Solution

The correct option is D $(C H_{3})_{2} - C H - N H_{2}$
$C H_{3} - C H | C H_{3} (A) - N H_{2} C H C l_{3} - --- \to K O H C H_{3} - C H | C H_{3} (C) - N \to = C R e d u c t i o n - ----- \to C H_{3} - C H | C H_{3} - N H - C H_{3}$

Hence, option $D$ is correct.

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Similar questions

Q. An organic compound

(C_{3} H_{9} N) (A)

, when treated with nitrous acid, gave an alcohol and

N_{2}

gas was evolved.

(A)

on warming with

C H C l_{3}

and caustic potash gave

(C)

which on reduction gave isopropylmethyl amine. Predict the structure of

(A)

Q. In the given compound A,C and A,D are exbhits which of the following isomerism :

(a)

C H_{3} - C H_{2} - C H_{2} - C H_{2} N H_{2}

Butanamine

(1^{o})

(b)

C H_{3} - C H_{2} - N H_{2} | C H - C H_{3}

Butan-2-amine

(1^{o})

(c)

C H_{3} - C H_{3} | C H - C H_{2} - N H_{2}

2-Methylpropanamine

(1^{o})

(d)

C H_{3} - C H_{3} | C | - C H_{3} N H_{2}

2-methylpropan-2-amine

(1^{o})

(e)

C H_{3} - C H_{2} - C H_{2} - N H - C H_{3}

N-methylpropanamine

(2^{o})

Q. In the given example B,C and B,D are :

(a)

C H_{3} - C H_{2} - C H_{2} - C H_{2} N H_{2}

Butanamine

(1^{o})

(b)

C H_{3} - C H_{2} - N H_{2} | C H - C H_{3}

Butan-2-amine

(1^{o})

(c)

C H_{3} - C H_{3} | C H - C H_{2} - N H_{2}

2-Methylpropanamine

(1^{o})

(d)

C H_{3} - C H_{3} | C | - C H_{3} N H_{2}

2-methylpropan-2-amine

(1^{o})

(e)

C H_{3} - C H_{2} - C H_{2} - N H - C H_{3}

N-methylpropanamine

(2^{o})

An alkane with molecular formula $C_{6} H_{14}$ gives two monochloro alkanes on chlorination. What is the structure of alkane?

Q. What is the decreasing order of strength of the bases

O H^{-}, N H_{2}^{-}, H C \equiv C^{⊝}

and

C H_{3} - C H_{2}^{⊝}

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An organic compound (C3H9N)(A), when treated with nitrous acid, gave an alcohol and N2 gas was evolved. (A) on warming with CHCl3 and caustic potash gave (C) which on reduction gave isopropylmethylamine. Predict the structure of (A).

The correct option is D (CH3)2−CH−NH2CH3−CH|CH3(A)−NH2CHCl3−−−−→KOHCH3−CH|CH3(C)−N→=CReduction−−−−−−→CH3−CH|CH3−NH−CH3Hence, option D is correct.

An organic compound $(C_{3} H_{9} N) (A)$ , when treated with nitrous acid, gave an alcohol and $N_{2}$ gas was evolved. $(A)$ on warming with $C H {C l}_{3}$ and caustic potash gave $(C)$ which on reduction gave isopropylmethylamine. Predict the structure of $(A)$ .

The correct option is D $(C H_{3})_{2} - C H - N H_{2}$
$C H_{3} - C H | C H_{3} (A) - N H_{2} C H C l_{3} - --- \to K O H C H_{3} - C H | C H_{3} (C) - N \to = C R e d u c t i o n - ----- \to C H_{3} - C H | C H_{3} - N H - C H_{3}$

Hence, option $D$ is correct.