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Chiral Centres and Chirality

In which of t...

Question

In which of the following reactions, the product obtained is chiral?

A

{C H}_{3} C O {C H}_{3} N a {B H}_{4} - --- \to

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B

{C H}_{3} C O C l R o s e n m u n d^{'} s r e d u c t i o n - ------------- \to

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C

{C H}_{3} {C H}_{2} {C O}_{2} {C H}_{2} {C H}_{3} S n, H C l - ---- \to

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D

{C H}_{3} {C H}_{2} C O {C H}_{3} L i {A l H}_{4} - --- \to

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Solution

The correct option is B ${C H}_{3} {C H}_{2} C O {C H}_{3} L i {A l H}_{4} - --- \to$
$O H$
$C H_{3} - C H_{2} - C O - C H_{3} L i A l H_{4} - --- \to C H_{3} - C H_{2} - | C H - C H_{3}$
Product is $2 - b u t a n o l$ which is chiral.

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Similar questions

C H_{3} - C H_{2} - C H_{2} - C H_{2} - C H_{3} C H_{2} N_{2} / Δ - ----- \to

Products
Which of the following product(s) is/are can be obtained in the above reaction.

Q. Match the column

A, B

C

Reactabts $(A)$	Products $(B)$	Name of the reaction $(C)$
$C H_{3} - C H_{3} + C l_{2}$	$C O_{2} + H_{2} O$	Addition reaction
$C_{2} H_{6} + O_{2}$	$C H_{2} = C H_{2}$	Thermal cracking
$_{n} C H_{2} = C H_{2}$	$C H_{2} = C H_{2} + C H_{4}$	Substitution reactions
$C H_{3} - C H_{2} - C H_{3}$	$C H_{3} - C H_{2} C l + H C l$	Polymerisation
$C H \equiv C H + H_{2}$	$[- C H_{2} - C H_{2} -]_{n}$	Combustion

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. Rank the following in decreasing order of basic strength:
(i)

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

C H_{3} - C H_{2} - S^{-}

{C H_{3} - C H_{2} - C O_{2}}^{-}

C H_{3} - C H_{2} - O^{-}

.

Q. Identify the type of the following reaction of carbon compounds.
a. CH₃ -CH₂ -CH₂-OH → CH₃ -CH₂ -COOH
b. CH₃ -CH₂ -CH₃ → 3CO₂ + 4H₂O
c. CH₃ -CH = CH -CH₃ + Br₂ → CH₃ -CHBr - CHBr -CH₃
d. CH₃ -CH₃ + Cl₂→ CH₃ -CH₂ -Cl + HCl
e. CH₃-CH₂ -CH₂ -CH₂ -OH → CH₃ -CH₂ -CH=CH₂ + H₂O
f. CH₃-CH₂ -COOH + NaOH → CH₃ -CH₂ -COO - Na⁺ + H₂O
g. CH₃ -COOH + CH₃ -OH → CH₃ -COO- CH₃ + H₂O

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