Problem 92
Ratio of mass of repeating unit of Nylon-66 to repeating unit of nylon-6 is (A) 1 (B) 2 (C) 6 (D) 3
Problem 93
During detection of nitrogen in Lassaigne's test which compound will fail to form prussian blue precipitate. (A) \(\mathrm{Ph}-\mathrm{NH}-\mathrm{NH}_{3}^{+} \mathrm{\Gamma}\) (B) \(\mathrm{NH}_{2}-\mathrm{NH}_{3}^{+} \mathrm{Cl}^{-}\) (C) \(\mathrm{NH}_{2}-\mathrm{C}-\mathrm{NH}-\mathrm{NH}_{2}\) (D)All
Problem 94
A secondary amine on reaction with Hinsberg's reagent gives (A) Primary sulphonamide, soluble in alkali (B) Secondary sulphonamide, insoluble in alkali (C) Tertiary sulphonamide, insoluble in alkali (D) Secondary sulphonamide, soluble in alkali
Problem 95
Identify the binary mixture(s) that can be separated into the individual compounds, by acid-base differential extraction, as shown in the given scheme. \begin{tabular}{|l} \(\qquad\) Aq. NaOH Binary mixture \\ \(\qquad\) Aq. \(\mathrm{NaHCO}_{3}\) \(\longrightarrow\) Compound \(1+\) Compound 2 \end{tabular} (A) \(\mathrm{Ph}-\mathrm{OH}\) and \(\mathrm{Ph}-\mathrm{COOH}\) (B) \(\mathrm{Ph}-\mathrm{CH}_{2}-\mathrm{OH}\) and \(\mathrm{Ph}-\mathrm{SO}_{3} \mathrm{H}\) (C) \(\mathrm{CH}_{3}-\mathrm{COOH}\) and \(\mathrm{CH}_{3}-\mathrm{OH}\) (D) \(\mathrm{Ph}-\mathrm{CH}_{3}\) and \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{COOH}\)
Problem 96
The compounds which can show geometrical isomerism is (A) Natural rubber (Poly-isoprene) (B) Buna-S (C) Neoprene (D) Buna-N
Problem 97
The compounds which can show stereoisomerism is (A) Polyvinyl chloride (B) Gutta Purcha (C) Buna-S (D) Polyvinyl acetate
Problem 98
The compound which can show both optical and geometrical isomerism is (A) Polythene (B) Chloroprene (C) Nylon-6,6 (D) Buna-S
Problem 99
Primary amine, secondary amine and tertiary amine can be separated by (A) Hinsberg reagent (B) Carbyl amine test (C) Ethyl oxalate (D) Fractional distillation
Problem 100
Benzamide and aniline can be distinguished by (A) Hinsberg test (B) Carbyl amine test (C) Dye azo test (D) Ethyl oxalate test
Problem 101
For existence of life, amino acids as ingredient of protein exist mainly in (A) \(l\)-form (B) d-form (C) L-Form (D) D-form
