51.

CH₃COOH $\stackrel{{\mathrm{LiAlH}}_4}{\to } \mathrm{X} \underset{300°\mathrm{C}}{\overset{\mathrm{Cu}}{\to }} \mathrm{Y} \underset{\mathrm{NaOH}}{\overset{\mathrm{Dilute}}{\to }}$ Z

In the above reaction Z is

• Butanol

• Aldol

• Ketol

• Acetal

The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with

• PCl₃

• PCl₅

• SOCl₂ in presence of pyridine

• dry HCl in the presence of anhydrous ZnCl₂

The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is

• methanal

• propanal

• propanone

• ethanal

The reaction involved in the oil of winter green test is salicylic acid $\underset{\mathrm{conc}. {\mathrm{H}}_2{\mathrm{SO}}_4}{\overset{∆}{\to }}$ product. The product is treated with Na₂CO₃ solution. The missing reagent in the above reaction is

• phenol

• NaOH

• ethanol

• methanol

The compound which forms acetaldehyde when heated with dilute NaOH, is

• 1, 1-dichloroethane

• 1, 1, 1-trichloroethane

• 1-chloroethane

• 1, 2-dichloroethane

Arrange the following in the increasing order of their basic strengths CH₃NH₂, (CH₃)₂NH, (CH₃)N, NH₃

• NH₃ < (CH₃)N < (CH₃)₂NH < CH₃NH₂

• NH₃ <  (CH₃)N < CH₃NH₂ < (CH₃)₂NH

• (CH₃)N < NH₃ < CH₃NH₂ < (CH₃)₂NH

• CH₃NH₂ < (CH₃)₂NH < (CH₃)N < NH₃

A diabetic person carries a packet of glucose with him always, because

• glucose reduces the blood sugar level slowly

• glucose increases the blood sugar level slowly

• glucose reduces the blood sugar level

• glucose increases the blood sugar level almost instantaneously

There are 20 naturally occurring amino acids. The maximum number of tripeptides that can be obtained is

• 8000

• 6470

• 7465

• 5360

Lucas test is associated with

• aldehydes

• phenols

• carboxylic acids

• alcohols

The condensation polymer among the following is

• rubber

• protein

• PVC

• polythene