In which of the following reactions ether does not form ?

• C₂H₅ONa + C₂H₅I

• C₂H₅ONa + (CH₃)₃CBr

• C₂H₅I + dry Ag₂O

• C₂H₅OH + H₂SO₄ (140^o C)

Reaction of ester with Grignard reagent give rise to :

• primary alcohol

• secondary alcohol

• tertiary alcohol

• ketone

383.

R-OH + SOCl₂  R-Cl + SO₂ + HCl

Pyridine in the above reaction :

• catalyse the reaction

• used to dissolve alkyl chloride

• used to remove excess of SOCl₂

• None of the above

Which of the following has least boiling point ?

• Ethyl ether

• n - propyl chloride

• n - butyraldehyde

• n - butyl alcohol

With CH₃MgBr , diethyl ether gives :

• coordination complex

• n - butane

• a mixture of ethyl bromide and methyl bromide

• propane

The angle R-O-R is :

• 109° 28^°

• 95°

• 110°

• 105°

Ethyl ester $\underset{\mathrm{excess}}{\overset{{\mathrm{CH}}_3\mathrm{MgBr}}{\to }} \mathrm{P}$. The product p will be

Denatured alcohol is :

• ethanol + methanol

• rectified spirit + methanol + naphtha

• undistilled ethanol

• rectified spirit

Assertion: Dehydration of alcohols always takes place in basic medium.

Reason : OH- is a better leaving group.

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion

• If assertion is true but reason is false

• If both assertion and reason are false.

Assertion : Toluene in presence of UV rays forms benzaldehyde.

Reason : Dichlorotoluene is formed as an intermediate.

• If both assertion and reason are true and reason is the correct explanation of assertion

• If both assertion and reason are true but reason is not the correct explanation of assertion

• If assertion is true but reason is false

• If both assertion and reason are false.