41.

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 products formed when diethyl ether is reacted with cold HI are

• C₂H₅I + C₂H₅OH

• 2C₂H₅I + H₂O

• 2C₂H₅OH

• C₂H₅-O-O-C₂H₅ + H₂O

The chemicals used for preparing acetophenone are

(A) C₆H₆

(B) CH₃COCH₃

(C) CH₃COCl

(D) Anhydrous AlCl₃

• A, B, C

• B, C, D

• A, C, D

• A, B, D

The reagent used in the preparation of aspirin from salicylic acid is

• SOCl₂/ pyridine

• CH₃COOH / HCl

• (CH₂CO)₂O/ Conc. H₂SO₄

• CH₃Cl/ AlCl₃

In the following reaction, X and Y respectively are-

C₂H₅OH $\stackrel{{\mathrm{KMnO}}_4/ {\mathrm{H}}^{+}}{\to }$ X $\underset{{\mathrm{H}}_2{\mathrm{SO}}_4/ ∆}{\overset{\mathrm{Y}}{\to }}$ CH₃COOC₂H₅

• CH₃OH, C₂H₅OH

• CH₃CHO, CH₃OH

• CH₂=CH₂, CH₃COOH

• CH₃COOH, C₂H₅OH

In the following reaction, A and B respectively are

A $\stackrel{\mathrm{HBr}}{\to }$ C₂H₅Br $\stackrel{\mathrm{B}}{\to }$ A

• C₂H₄ and alcoholic KOH/ $∆$

• C₂H₅Cl and aqueous KOH/ $∆$

• C₂H₅OH and aqueous KOH/ $∆$

• C₂H₂ and PBr₃

The reaction consitions used for converting 1, 2-dibromo ethane to ethylene are

• Zn, alcohol, $∆$

• KOH, alcohol, $∆$

• KOH, water, $∆$

• Na, alcohol, $∆$

The reagent used for converting acetylene to oxalic acid is

• HgSO₄/ aqueous H₂SO₄

• HgSO₄/ CH₃COOH

• KMnO₄/ KOH, 25°C

• Cr₂O₃/ H₂SO₄

Which one of the following is a secondary alcohol?

• 2-methyl-2-propanol

• 1-propanol

• 1-butanol

• 2-pentanol