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Chemical Properties of Alcohol

CH3CH2-OHCH3-...

Question

$C H_{3} C H_{2} - O H A \to C H_{3} - C H_{2} - C l B \to C H_{2} = C H_{2} .$

A and B in this sequence of reactions are :

A

KOH(aq) and

P C l_{5}

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B

P C l_{5}

and KOH(aq)

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C

C l_{2}

and KOH(alc)

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D

P C l_{5}

and KOH(alc)

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Solution

The correct option is D $P C l_{5}$ and KOH(alc)
A and B in this sequence of reactions are $P C l_{5}$ and KOH(alc).

$C H_{3} C H_{2} O H P C l_{5} (A) - ---- \to C H_{3} C H_{2} C l a l c . K O H (B) - ------ \to C H_{2} = C H_{2}$

Ethanol reacts with $P C l_{5}$ to give ethyl chloride. Ethyl chloride on heating with alcoholic potash undergoes dehydrohalogenation to give ethene.

Hence the correct option is D.

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Similar questions

C H_{3} - C H_{2} - X + K O H_{(} a l c) \to C H_{2} = C H_{2} + K X + H_{2} O

These type of reactions are called_______________.

Q. Complete the following chemical reactions and write the products.
(i)

C H_{3} - C H_{2} - C l + K O H (a l c .) \to

R - C H = C H_{2} + H B r P e r o x i d e - ---- \to

P {C l}_{5} ⇌ P {C l}_{3} + {C l}_{2}

in the reversible reaction the moles of

P {C l}_{5}, P {C l}_{3}, {C l}_{2}

a, b

c

respectively and total pressure is

P

K_{p}

$P C l_{5} ⇌ P C l_{3} + C l_{2}$ in the reversible reaction, the moles of $P C l_{5}$ , $P C l_{3}$ and $C l_{2}$ are a, b and c respectively at equilibrium and total pressure is P, then value of $K_{p}$ is:

Q. In the reaction

P C l_{5} ⇌ P C l_{3} + C l_{2}

the partial pressure of

P C l_{3}, C l_{2}

P C l_{5}

0.3, 0.2

0.6 a t m

respectively at equilibrium. If partial pressure of

P C l_{3}

C l_{2}

was increased twice, what will be the partial pressure of

P C l_{5}

a t m

at new equilibrium condition:

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