Problem 102
Stereogenic carbons can bring (A) Optical activity (B) Optical inactivity (C) Both (D) None of the above
Problem 105
Q is When glucose is treated with \(\mathrm{CH}_{3} \mathrm{OH}\) and \(\mathrm{HCl}\), it gives two isomer of methyl glycosides. One of the isomer consumes \(\mathrm{x}\) mole of \(\mathrm{HIO}_{4}\) and it gives one mole of HCOOH but no formaldehyde is obtained.
Problem 106
It confirms the presence of (A) Pyranoside form (B) Furanoside form \(\quad\) (C) Open chain form (D) No vicinal diol
Problem 108
Compound 'Q' is (A) Nylon-6 (B) Nylon-6,6 (C) Polyester (D) Glyptal
Problem 113
\(\mathrm{Q}\) and \(\mathrm{S}\) can be distinguished by (A) \(\mathrm{Br}_{2} / \mathrm{H}_{2} \mathrm{O}\) (B) Na-metal (C) \(\mathrm{Cu}_{2} \mathrm{Cl}_{2} / \mathrm{NH}_{4} \mathrm{OH}\) (D) \(\mathrm{AgNO}_{3} / \mathrm{NH}_{4} \mathrm{OH}\)
Problem 115
Straight chain alkane obtained on hydrogenation of \(\mathrm{S}\) can also be obtained by the reduction of (A) Ribose using Red \(\mathrm{P} / \mathrm{HI}\) (C) Arbinose using \(\mathrm{LiAlH}_{4}\) (B) Ribose using \(\mathrm{H}_{2} / \mathrm{Catalyst}\) (D) Mannose using Red \(\mathrm{P} / \mathrm{HI}\)
Problem 117
The correct statement is/are (A) Pgives white ppt. with ammonical \(\mathrm{AgNO}_{3}\) (B) Qgives orange colour with 2,4-DNP (C) Qgivescrystalline compound with \(\mathrm{NaHSO}_{3}\) (D) Pgives red colour of \(\mathrm{Cu}_{2} \mathrm{O}\) with ammonical \(\mathrm{Cu}_{2} \mathrm{Cl}\),
Problem 125
(P) and (Q) can be distinguished by (A) \(\mathrm{Br}_{2} / \mathrm{H}_{2} \mathrm{O}\) (B) Tollen's test (C) 2,4-DNP (D) \(\mathrm{NaHSO}_{3}\)
Problem 127
Match the columns: Column-I Column-II (Reaction) (Colour change) (A) Ceric Ammonium nitrate \(+\mathrm{ROH}\) (P) Yellow to Red (B) \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} / \mathrm{H}_{2} \mathrm{SO}_{4}+\mathrm{ROH}\) (Q) Colourless to pink (C) (R) Pink to colourless (D) \(\mathrm{KMnO}_{4} / \mathrm{H}^{+}+\mathrm{R}-\mathrm{CH}_{2}-\mathrm{OH}\) (S) Orange to green (T) Blue to red
Problem 128
Match the polymers given in Column-I with their chemical names given in Column-II. Column-I Column-II (A) Nylon-6 (P) Polyvinyl chloride (B) \(\mathrm{PVC}\) (Q) Polyacrylonitrile (C) Acroline (R) Polycaprolactum (D) Natural rubber (S) Low density polythene (E) LDP (T) cis-polyisoprene
