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Alcohols Phenols Ethers

Alcohols Phenols Ethers - Chemistry Questions asked by Filo students

Question 1

Cumene (isopropyl benzene) on treatment with

KMnO_{4}

gives

Topic:

Alcohols, Phenols & Ethers

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Question 2

During adsorption the

Δ H

is -ve and the mages - ve value

goes on increasing
remains same
first increases then decreases.

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Alcohols, Phenols & Ethers

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Question 3

Adsorption is an exothermic process, because dify

surface energy increases
surface energy decreases
surface energy remains same
residual forces of attraction increase.

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Alcohols, Phenols & Ethers

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Question 4

Which gas would get adsorbed when passed into a solution of

Al^{3 +}_{(a q)}

$NH_{3}$
$NO$
$CO$
$O_{2}$

Topic:

Alcohols, Phenols & Ethers

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Question 5

5.

EOH / H_{3} O Br_{2}

Here tribromination is observed because

$Br^{-}$ is a very strong nucleophile
Phenol get ionize
$Br_{2}$ easily get polarized in polar solvent
Both (B) and (C)

Topic:

Alcohols, Phenols & Ethers

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Question 6

One mole of an organic compound

A

with the formula

C_{3} H_{8} O

reacts completely with two moles of HI to form

X

and

Y

. When

Y

is boiled with aqueous alkali it forms

Z . Z

answers the iodoform test. The compound

A

propan-2-ol
propan-1-ol
ethoxyethane
methoxyethane.

Topic:

Alcohols, Phenols & Ethers

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Question 7

One mole of an organic compound

A

with the formula

C_{3} H_{8} O

reacts completely with two moles of HI to form

X

and

Y

. When

Y

is boiled with aqueous alkali it forms

Z . Z

answers the iodoform test. The compound

A

propan-2-ol
propan-1-ol
ethoxyethane
methoxyethane.

Topic:

Alcohols, Phenols & Ethers

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Question 8

Structural Isomerism The name of which carbon chain starts from 'iso' in the following chains -

the molecular formula $C_{5} H_{12}$ would be -
3
2
4
5

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Alcohols, Phenols & Ethers

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Question 9

3 Out of following carbon chains which one is different from other three chains -

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Alcohols, Phenols & Ethers

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Question 10

Structural Isomerism The name of which carbon chain starts from 'iso' in the following chains -

$C - C - C - C$ ::::

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Alcohols, Phenols & Ethers

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Question 11

1.3 Out of following carbon chains which one is different from other three chains -

Topic:

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Question 12

Q.5 Ethanol is heated with concentrated

H_{2} SO_{4}

. The product formed is

$C_{2} H_{6}$
$C_{2} H_{4}$
$C_{2} H_{2}$

Topic:

Alcohols, Phenols & Ethers

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Question 13

Q.5 Ethanol is heated with concentrated

H_{2} SO_{4}

. The product formed is

$C_{2} H_{6}$
$C_{2} H_{4}$
$C_{2} H_{2}$

Topic:

Alcohols, Phenols & Ethers

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Question 14

Q.5 Ethanol is heated with concentrated

H_{2} SO_{4}

. The product formed is

$C_{2} H_{6}$
$C_{2} H_{4}$
$C_{2} H_{2}$

Topic:

Alcohols, Phenols & Ethers

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Question 15

(i) By acid catalysed hydration: Alkenes react with water in the presence of acid as catalyst to form alcohols. In case of unsymmetrical alkenes, the addition reaction takes place in accordance with Markovnikov's rule (Unit 13, Class XI).

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Alcohols, Phenols & Ethers

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Question 16

of carfon

>

man no.of # Nemering of Paed Perfic Factor 7 Multipl Alpaletide merder Manl

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Alcohols, Phenols & Ethers

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Question 17

Moles of

CO_{2}

evolved during given reaction per mol?

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Alcohols, Phenols & Ethers

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Question 18

No. of isomer possible for

C_{6} H_{14}

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Alcohols, Phenols & Ethers

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Question 19

Structures of In alcohols, the oxygen of the - OH group is attached to carbon b)

Functional Groups sigma (σ) bond formed by the overlap of a s p^{3} hybridised orbitel carbon with a s p^{3} hybridised orbital of oxygen. Fig. 11.1 depl. structural aspects of methand

structural aspects of methanol, phenol and methoxymethane. Fig. 11.1: Structures of methanol, phenol and methoxymethane stry 328

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Alcohols, Phenols & Ethers

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Question 20

Chem guide - questions 5. Alcohols a) Draw the structures for the following compounds:

ethanol
2 -methylpropan-2-ol
butan-2-ol
but-2-en-1-ol

Topic:

Alcohols, Phenols & Ethers

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