31.

The final product (IV) in the sequence of reactions

• ${\mathrm{CH}}_3-\left({\mathrm{CH}}_3\right){\mathrm{CHOCH}}_2{\mathrm{CH}}_2\mathrm{OH}$

• ${\mathrm{CH}}_3-\left({\mathrm{CH}}_3\right){\mathrm{CHCH}}_2{\mathrm{CH}}_2\mathrm{Br}$

• ${\mathrm{CH}}_3-\mathrm{CH}\left({\mathrm{CH}}_3\right)-{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{OH}$

• ${\mathrm{CH}}_3-\mathrm{CH}\left({\mathrm{CH}}_3\right){\mathrm{OCH}}_3{\mathrm{CH}}_2$

$\mathrm{Ph}-\mathrm{C}\equiv \mathrm{C}-{\mathrm{CH}}_3 \stackrel{{\mathrm{Hg}}^{2+}/{\mathrm{H}}^{+}}{\to } \mathrm{A},$

Which of the following has an ester linkage?

• Nylon-66

• Dacron

• PVC

• Bakelite

Which of the following pairs give positive Tollen's test?

• Glucose, sucrose

• Glucose, fructose

• Hexanal, acetophenone

• Fructose, sucrose

How many sigma and pi-bonds are there in the molecule of dicyanoethene (CN-CH =CH-CN) ?

• 3 sigma and 3 pi

• 5 sigma and 2 pi

• 7 sigma and 5 pi

• 2 sigma and 3 pi

What will be the order of reactivity of the following carbonyl compounds with Grignard's reagent?

• I > II > III >IV

• IV> III > II >I

• II> I> IV >III

• III> II> I >IV

The final product 'C' in the above reaction is

Which of the following isomerism is shown by ethyl acetoacetate?

• Geometrical isomerism

• Keto-enol tautomerism

• Enantiomerism

• Diastereoisomerism

Which set has different class of compounds?

• Tranquillizers-Equanil, heroin, valium

• Antiseptics-Bithional, dettol, boric acid

• Analgesics-Naproxen, morphine, aspirin

• Bactericidal-Penicillin, aminoglycosides, ofloxacin

The final product obtained in the reaction,