Predict the product Z in the following series of reactions Ethanoic acid \(\overset { { PCI }_{ 5 } }{ \longrightarrow } X\overset { { C }_{ 6 }{ H }_{ 6 } }{ \underset { Anhydrous \ AlCI }-_{3}{ \longrightarrow } } Y\overset { 1){ CH }_{ 3 }MgBr }{ \underset { II){ H }_{ 3 }{ O }^{ + } }{ \longrightarrow } } Z.\)

CH₃Br \(\overset { KCN }{ \longrightarrow } (A)\overset { { H }_{ 2 }{ O }^{ + } }{ \longrightarrow } (B)\overset { { PCl }_{ 5 } }{ \longrightarrow } \) (C) product (c) is ______.

Assertion: p – N, N – dimethyl amino benzaldehyde undergoes benzoin condensation
Reason: The aldehydic (-CHO) group is meta directing.
Codes:
A) if both assertion and reason are true and reason is the correct explanation of assertion.
B) if both assertion and reason are true but reason is not the correct explanation of assertion.
C) assertion is true but reason is false
D) both assertion and reason are false

Which one of the following reaction is an example of disproportionation reaction.

In which of the following reactions new carbon – carbon bond is not formed?

An alkene “A” on reaction with O₃ and Zn - H₂O gives propanone and ethanol in equimolar ratio. Addition of HCl to alkene “A” gives “B” as the major product. The structure of product “B” is ______.

Give the common and IUPAC name of the compound HO-CH₂-\(\underset { \overset { | }{ OH } }{ CH } \)-CHO

Cannizaro reaction is not given by _______.

Which among the carbonyl compounds cannot be prepared by Rosenmund reduction?

Schiff's reagent gives pink colour with _______.

Tincture benzoin is obtained from _______.

The formation of cyanohydrin from a ketone is an example of _______.

Which compound on strong oxidation gives propionic acid?

It is a powerful acetylating agent for compounds containing -OH group and - NH group _______.

Partial reduction of acetic acid in the presence of LiAl H₄ results in the formation of ________.

How is propanoic acid is prepared starting from
(a) an alcohol
(b) an alkylhalide
(c) an alkene

A hydrocarbon A (molecular formula C₈H₁₀) on ozonolysis gives B (C₄H₆O₂) only. Compound C (C₃H₅Br) on treatment with magnesium in dry ether gives (D) which on treatment with CO₂ followed by acidification gives(C). Identify A, B and C.

Give the characteristics of image formed by a plane mirror.

What are the Cartesian sign conventions for a spherical mirror?

Name one reagent used to distinguish acetaldehyde and acetone.

Does formaldehyde undergo aldol condensation? Justify your answer.

What is formalin? Write its use.

Arrange the following in increasing order of reactivity towards nucleophilic addition HCHO CH₃CHO and CH₃COCH₃

What is DIBAL -H? What is it used for?

What are carboxylic acids?

An alkene (A) on ozonolysis gives propanone and aldehyde (B). When (B) is oxidised (C) is obtained. (C) is treated with Br₂/P gives (D) which on hydrolysis gives (E). When propanone is treated with HCN followed by hydrolysis gives (E). Identify A, B, C, D and E.

How is acetaldehyde prepared by the ozonolysis of CH₃CH=CHCH₃?

Formaldehyde and benzaldehyde give Cannizaro reaction but acetaldehyde does not - account for this.

Explain the isomerism exhibited by carboxylic acids.

What happens when the following compounds are treated with dilute NaOH solution in cold?
(i) propanal
(ii) (CH₃)₃C-CHO

How will you convert benzaldehyde to
(I) C₆H₅COOH
(ii) C₆H_sCH₂OH
(iii) C₆HSCH₃

Organic compound with molecular formula C₃H₆O has two isomers (A) and (B). (A) on heating with NaOH in I₂ forms a yellow precipitate while (B) does not. Identify the isomers A and B and explain the reactions.

Formic acid reduces Tollen's reagent but acetic acid does not - Give reasons.

Complete the following reactions
(i) CH₃COCI + NH₂⟶
(ii) CH₃COCI + C₂H₅OH⟶

Give the IUPAC names for the following:
(i) Crotonaldehyde
(ii) Methyl n-propyl ketone
(iii) Phenyl acetaldehyde.

How are the following conversions effected
(a) propanal into butanone
(b) Hex-3-yne into hexan-3-one.
(c) phenylmethanal into benzoic acid
(d) phenylmethanal into benzoin

Complete the following reaction
\({ CH }_{ 3 }-{ CH }_{ 2 }-{ CH }_{ 2 }-\underset { \overset { || }{ O } }{ C } -{ CH }_{ 3 }\overset { HO-{ CH }_{ 2 }-{ CH }_{ 2 }-OH }{ \underset { { dry }{ HCl} }{ \longrightarrow } } ?\)

Illustrate the reducing property of acetaldehyde with examples

Explain why carboxylic acids behave as acids. Discuss briefly the effects of electron withdrawing and donating substituents on acid strength of carboxylic acids.

An organic compound A (C₂H₃N) on reduction with SnCI₂/HCI gives B (C₂H₄O) which reduces Tollen's reagent. Compound B on reduction with N₂H₄/C₂H₅ONa gives C (C₂H₆). Identify the compounds A, B and C. Explain the reactions involved.

An organic compound (A) of molecular formula C₇H₈ on oxidation with air and in presence of V₂O₅ to form (B) of molecular formula C₇H₆O. (B) on reduction with lithium aluminium hydride to form (C) of molecular formula C₇H₈O. Identify (A), (B) and (C) and explain the reactions.

Compound (A) with Molecular formula C₇H₆O does not reduce Fehling's solution. Compound (A) reacts with acetone in the presence of NaOH to give a compound (B) which is an α, β-unsaturated compound. Further (A) reacts with dimethyl aniline in the presence of cone, H₂SO₄ to give compound (C) which is a dye. Identify (A) (B) and (C). Explain the reactions.