Which one of the following is the strongest acid.

(CH₃)₃-C-CH(OH) CH₃ \(\overset { con{ H }_{ 2 }{ SO }_{ 4 } }{ \longrightarrow } \)X (major product)

Assertion: Phenol is more reactive than benzene towards electrophilic substitution reaction
Reason: In the case of phenol, the intermediate arenium ion is more stabilized by resonance
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.

One mole of an organic compound (A) with the formula C₃H₈O 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) is  ______.

Pick out the odd one among the following.

The above reaction is called ______.

In the sequence of reactions Identify 'C'.

Predict the structure of propane-1,2 diol ______.

Which of the following has an offensive odour?

Lower alcohols like ethanol and methanol are miscible in water due to _______.

CH₂ = CH₂+H₂O  The above reaction is _______.

In the following sequence of reaction, the end product 'B' is ________.

Identify the major product in the given reaction

Intermolecular hydrogen bonds are not _______ present in.

(a) Diethylether with chlorine in presence of sunlight forms (C₂Cl₅)₂O.
(b) The formula of diethyl oxonium chloride is (C₂H₂)₂-O⁺Cl^-.
(c) In anisole oxygen is strongly bonded to benzene ring.
(d) Ether is used as solvent for Grignard reagent

Assertion: Ethanol is a weaker acid than phenol.
Reason: Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.
Codes:
a) (A) and (R) are true and (R) is the correct explanation of (A)
b) Both (A) and (R) are true but (R) does not explain (A)
c) (A) is true but (R) is false
d) Both (A) and (R) are false

Assertion: Compounds with two hydroxy groups are gem diols.
Reason: Ethanol which contains 5% methanol is known as methylated spirit.
Codes:
a) (A) and (R) are true and (R) is the correct explanation of (A)
b) Both (A) and (R) are true but (R) does not explain (A)
c) (A) is true but (R) is false
d) Both (A) and (R) are false

Pick out the wrong statement regarding ethers.
a) dimethyl ether and diethyl ehters are simple ethers
b) ethyl methyl ether is a symmetrical ether
c) the reaction between sodium ethoxide and methyl bromide is known as williamson's ether synthesis
d) Diethyl ether is used as an anaesthetiz.

What is the major product obtained when two moles of ethyl magnesium bromide is treated with methyl benzoate followed by acid hydrolysis.

Explain 'esterification' reaction with an example.

What happens when phenol is treated with diazonium chloride in presence of NaOH?

State Saytzeff's rule.

How is phenol prepared from
i) chloro benzene
ii) isopropyl benzene

Complete the following sequence of reaction and Identify A, B and C.

Complete the following reactions

ii) \(C_6H_5-CH_{2}CH(OH)CH(CH_3)_2 \overset{ConH_2SO_4}\longrightarrow\)

An organic compound (A) (C₆H₆O) gives maximum of two isomers (B) and (C) When an alkaline solution of (A) is refluxed with chloroform. (B) on oxidation gives acid (D). The acid (D) is also obtained by I treating sodium salt of (A) with CO₂ under pressure followed by hydrolysis. Identify the compounds (A), (B), (C) and (D) and explain with proper chemical reactions.

An organic compound (A) of molecular formula C₆H₆O gives violet colour with neutral FeCI₃. (A) gives maximum of two isomers (B) and (C) when an alkaline solution of (A) is refluxed with CCI₄ (A) also reacts with C₆H₅N₂CI to give the compound (D) which is red orange dye. Identify (A), (B), (C) and (D). Explain with suitable chemical reactions.