Wurtz's reaction involves the reduction of alkyl halide with :

• Zn/ HCl

• HI

• Zn/ Cu couple

• Na in ether

The compound that does not answer iodoform test is :

• ethanol

• ethanal

• methanol

• propanone

Best method of preparing alkyl chloride is

• ROH + SOCl₂ → 

• ROH + PCl₅ → 

• ROH + PCl₃ →

• ROH $+ \mathrm{HCl} \stackrel{\mathrm{Anhy}\hspace{0.17em}{\mathrm{ZnCl}}_2}{\to }$

Acetylene can be obtained by the reaction

• $\mathrm{HCOOK} \stackrel{\mathrm{Electrolysis}}{\to }$

• ${\mathrm{CHI}}_3 + \mathrm{Ag} \stackrel{∆}{\to }$

• ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH} \underset{443\mathrm{K}}{\overset{\mathrm{Conc}. {\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}$

• Be₂C + H₂O →

Consider the following reactions,

C₂H₂ $\underset{500°\mathrm{C}}{\overset{\mathrm{red} \mathrm{hot} \mathrm{iron} \mathrm{tube}}{\to }}$ A

A $\underset{70°\mathrm{C}}{\overset{\mathrm{conc}. {\mathrm{HNO}}_3, \mathrm{conc}. {\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}$ B

B $\stackrel{{\mathrm{LiAlH}}_4}{\to }$ C₆H₅-N=N-C₆N₅

A and B are

• A = C₂H₄; B = C₆H₆

• A = C₂H₆; B = C₆H₅NH₂

• A = C₂H₄; B = C₆H₅NH₂

• A = C₆H₆; B = C₆H₅NO₂

Chloroethane reacts with X to form diethyl ether. What is X ?

• NaOH

• H₂SO₄

• C₂H₅ONa

• Na₂S₂O₃

Formation of alkane by the action of zinc on alkyl halide is called

• Wurtz reaction

• Kolbe's reaction

• Ulmann's reaction

• Frankland reaction

568.

In chloroethane, the carbon bearing halogen is bonded to ...... hydrogen (s). It is called ........ alkyl halide.

• Two, primary

• Three, primary

• Two, secondary

• One, tertiary

What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction ? (Atomic weight of iodine = 127)

• 142

• 568

• 326

• 284

The following reaction is an example of .......... reaction-

C₂H₄Br₂ → C₂H₂

• addition

• dehydrohalogination

• substitution

• debromination