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Synthesis of Secondary and Tertiary Amines

One mole of a...

Question

One mole of a hydrocarbon having molecular weight 78 is subjected to ozonolysis and $H_{2} O_{2}$ formed in the reaction is not removed from the site of reaction. The product obtained on treatment with $C a^{2 +}$ ions gives 384g of calcium oxalate. The hydrocarbon is

A

C H_{3} - C \equiv C - C \equiv C - C H_{3}

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B

C H_{3} \equiv C - C H_{2} - C H_{2} - C \equiv C H

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C

C H \equiv C - C H_{2} - C \equiv - C H_{3}

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D

C_{6} H_{6}

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Solution

The correct option is D $C_{6} H_{6}$
The given hydrocarbon is benzene. The reactions that take place are as follows:
$C_{6} H_{6} + O_{3} \to 3 C H O - C H O H_{2} O_{2} - -- \to 3 H O O C - C O O H + 3 C a^{+ 2} \to 3 C a (O O C - C O O)$

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Similar questions

A straight chain hydrocarbon has the molecular formula C8H10. The hybridisation for the carbon atoms from one end of the chain to the other are respectively $s p^{3}, s p^{2}, s p^{2}, s p^{3}, s p^{2}, s p^{2}, s p$ and $s p$ . The structural formula of the hydrocarbon would be

Q. Which of the following reaction is example of

S_{N} 2

c o n c . H C l :

(a) C H_{3} - C H_{2} - O H A n h y Z n C l_{2} / △ - -------- \to C H_{3} - C H_{2} - C l

(b) C H_{3} - C H_{3} | C | C H_{3} - C H_{2} O H A n h y Z n C l_{2} / △ - -------- \to C H_{3} - C H_{1} | C | C H_{3} - C H_{2} - C H_{3}

(c) C H_{3} - O H | C | C H_{3} - C H_{3} A n h y Z n C l_{2} / △ - -------- \to C H_{3} - C l | C | C H_{3} - C H_{3}

(d) C H_{2} = C H - C H_{2} - O H A n h y Z n C l_{2} / △ - -------- \to C H_{2} = C H - C H_{2} - C l

Q. A hydrocarbon, 'X'

(C_{3} H_{4})

B r_{2} / C C l_{4}

solution forming 'Y'. 'X' gave a red precipitate of a compound 'Z' with ammoniacal cuprous chloride.
X, Y, and Z respectively are:

Q. Select the member of each pair that shows faster rate of

S_{N} 2

K I

C H_{3} - C H_{2} - C H_{2} - C H_{2} - C l a n d C H_{3} - C H ∣ C H_{3} - C H_{2} - C l

(I) (I I)

C H_{3} - C H_{2} - C H_{2} - C l a n d C H_{3} - C H_{2} - C H_{2} - B r

(I) (I I)

C H_{3} - C H ∣ C H_{3} - C H_{2} - C H_{2} - C l a n d C H_{3} - C H_{3} ∣ C ∣ C H_{3} - C H_{2} C l

(I) (I I)

C H_{3} - C H_{2} - C H_{2} - B r ∣ C H - C H_{3} a n d C H_{3} - C H_{3} ∣ C H - C H_{2} - B r ∣ C H - C H_{3}

(I) (I I)

Q. Which will undergo reaction with ammonical

A g N O_{3}

?

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