The correct match between Item-I (starting material) and Item-II (reagent) for the preparation of benzaldehyde is : Item-I Item-II (I) Benzene (P) HCl and SnCl 2 , H 3 O + (II) Benzonitrile (Q) H 2 , Pd - BaSO 4 , S and quinoline (III) Benzoyl Chloride (R) Co , HCl and AlCl 3

(I)-(R), (II)-(P) and (III)-(Q)

(I)-(Q), (II)-(R) and (III)-(P)

(I)-(P), (II)-(Q) and (III)-(R)

(I)-(R), (II)-(Q) and (III)-(P)

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The product obtained when

is oxidized with $H I O_{4}$

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Important Questions on Aldehydes, Ketones and Carboxylic Acids

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

The correct match between Item-I (starting material) and Item-II (reagent) for the preparation of benzaldehyde is :

	Item-I		Item-II
(I)	Benzene	(P)	$HCl$ and ${SnCl}_{2}, H_{3} O +$
(II)	Benzonitrile	(Q)	$H_{2}, Pd - {BaSO}_{4}, S$ and quinoline
(III)	Benzoyl Chloride	(R)	$Co, HCl and {AlCl}_{3}$

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

In the following sequence of reactions:

Toluene \overset{{KMnO}_{4}}{\to} A \overset{{SOCl}_{2}}{\to} B \to_{{BaSO}_{4}}^{H_{2} / Pd} C

The Product

C

is:

HARD

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

The number of chiral centres present in

[B]

is _____

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

An alkene on ozonolysis gives methanal as one of the product. Its structure is

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

Compound P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is $C_{8} H_{8} O$ . Q undergoes Cannizzaro reaction but not haloform reaction, whereas S undergoes haloform reaction but not Cannizzaro reaction.

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HARD

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

The major product obtained from the following reaction is :

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

List

- I

includes starting materials and reagents of selected chemical reactions. List

- II

gives structures of compounds that may be formed as intermediate products and/or final products from the reactions of List

- I

List-I	List-II
(I)	$(P)$
(II)	$(Q)$
(III)	$(R)$
(IV)	$(S)$
	$(T)$
	$(U)$

Which of the following options has the correct combination considering List

- I

and List

- II

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

The major product of the following reaction sequence is

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

An alkene

' A'

on reaction with

O_{3}

and

Z n - H_{2} O

gives propanone and ethanal in equimolar ratio. Additional of

H C l

to alkene

' A'

gives

' B'

as the major product. The structure of product

' B'

is:

HARD

Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

Choose the correct option(s) for the following reaction sequence

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Consider

Q, R

and

S

as major products.

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

The major product of the following reaction is:

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

Calcium butanoate on heating followed by treatment with 1, 2-ethanediol in the presence of catalytic amount of an acid, produces a major product which is:

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Chemistry>Organic Chemistry>Aldehydes, Ketones and Carboxylic Acids>Some Other Methods of Preparation of Carbonyl Compounds

An alkene of molecular formula