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Aldehydes Ketones

Aldehydes Ketones - Chemistry Questions asked by Filo students

Question 1

Which of the following has minimum heat of hydrogenation.

ethene
Propene
cis 2 butene
trans-2 butene

Topic:

Aldehydes & Ketones

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Question 2

A-4. Out of the followings best leaving group is :

F-
CI-
$Br$
$ϝ$

Topic:

Aldehydes & Ketones

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Question 3

Oxygen atom of carbonyl group in aldehydes is attached to

primary carbon atom.
secondary carbon atom.
tertiary carbon atom.
all of these.

Topic:

Aldehydes & Ketones

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Question 4

K generally forms which kind of oxide on reaction with oxygen :-

$K_{2} O_{2}$
$K_{2} O$
$KO$
$KO_{2}$

Topic:

Aldehydes & Ketones

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Question 5

2.26 Which of the following have asymmetric carbon atom?

Topic:

Aldehydes & Ketones

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Question 6

An ideal gas is expanding such that

PT =

constant. The coefficient of volume expansion of the gas is

$\frac{1}{T}$
$\frac{2}{T}$
$\frac{3}{T}$
$\frac{4}{T}$

Topic:

Aldehydes & Ketones

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Question 7

An organic compound gives silver mirror with Tollen's reagent, but does not show 2,4-DNP test. The compound is: L a)

CH_{3} CH_{2} CHO

$CH_{3} COCH_{3}$

Topic:

Aldehydes & Ketones

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Question 8

c) 2-Chloropropanal d) HCOOH

16. Acetic acid is reduced with

LiAlH_{4}

to give

ethane
ethanol

Topic:

Aldehydes & Ketones

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Question 9

-d)

CH_{3} COOH

18. Acetaldehyde does not respond to

Fehling solution
Tollen's test
Iodoform test
Lucas test

Topic:

Aldehydes & Ketones

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Question 10

Which of the following don't show HVZ reaction?

$HCOOH$
$CH_{3} COOH$
$CH_{3} CH_{2} COOH$

Topic:

Aldehydes & Ketones

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Question 11

Which of the following pairs of compounds are functional isomers?

::
and::

Topic:

Aldehydes & Ketones

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Question 12

Q. What volume of

0.5 M H_{2} SO_{4}

is required to neutraliye

10 gm

w)/

NaOH

completely. Q. Pyrolucite

(MnO_{2})

on reaction with

HCI

produce

Cl_{2}

gas at STP How many

kg

MnO_{2}

is required. Given that \% yield of

rx^{n}

60%

Topic:

Aldehydes & Ketones

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Question 13

The aldol of compo gives 2 methyl-2 pentenal, the compound is/are

Acetaldehyde and acetone
Acetaldehyde and propionaldehyde
Propionaldehyde and acetone
Propionaldehyde

Topic:

Aldehydes & Ketones

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Question 14

2 - The IUPAC name of 3 pentanone 12. The IUPAC name of

4,4 -di (formylmethyl) butanal
2 - (formylmethyl) butane - 1, 4 dicarbaldehyde
hexane - 3 - acetal - 1, 6 - dial
3 - (formylmethyl) hexane - 1, 6 - dial

Topic:

Aldehydes & Ketones

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Question 15

Which of the following is not the formula of double chain silicate?

$SiO_{4}^{4 -}$
$(SiO_{3})_{n}^{2 n -}$
$(Si_{4} O_{11})_{n}^{e_{n -}^{n -}}$
$SiO_{2}$

Topic:

Aldehydes & Ketones

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Question 16

In the following sequence of reactions, the end product (C) is [2012]

acetone
methane
acetaldehyde
ethyl alcohol

Topic:

Aldehydes & Ketones

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Question 17

2.

Above conversion can be achieved by :

Wolf-Kishner reduction
Clemmensen reduction
$LiAlH_{4}$
$NaBH_{4}$

Topic:

Aldehydes & Ketones

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Question 18

Q.9. In the following sequence of reaction, the final Product (F) is

$C_{2} H_{6}$
$CH_{4}$
$C_{2} H_{4}$
$C_{2} H_{5} Cl$

Topic:

Aldehydes & Ketones

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Question 19

HiAlH

(2)

Renzyl alcohol and sodium benzoate are obtained by the action of caustic soda on benzaldehyde. This reaction is known as

Claisen condensation
Canniegaro reaction
Aldol condensation
Perkin's reaction

Topic:

Aldehydes & Ketones

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Question 20

yos, Ketones and Carboxylic Acids

hydrazine in presence of feebly acidic solution
hydrocyanic acid
sodium hydrogen sulphite
3 Grignard reagent.
$CH_{3} CH_{2} CH_{2} - C II - CH_{3}$

Topic:

Aldehydes & Ketones

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Aldehydes Ketones - Chemistry Questions asked by Filo students

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