Q39. The adsorbent used in adsorption chromatography is/are - A. silica gel B. alumina C. quick lime D. magnesia Choose the most appropriate answer from the options given below : (1) A only (2) B only (3) C and D only (4) A and B only Q40. [Figure] Product P is (1) [Figure] (2) [Figure] (3) [Figure] (4) [Figure] Q41. [Figure] In the above chemical reaction sequence " A " and " B " respectively are (1) $\mathrm { H } _ { 2 } \mathrm { O } , \mathrm { H } ^ { + }$and $\mathrm { KMnO } _ { 4 }$ (2) $\mathrm { O } _ { 3 } , \mathrm { Zn } / \mathrm { H } _ { 2 } \mathrm { O }$ and $\mathrm { NaOH } _ { ( \text {alc } ) } / \mathrm { I } _ { 2 }$ (3) $\mathrm { O } _ { 3 } , \mathrm { Zn } / \mathrm { H } _ { 2 } \mathrm { O }$ and $\mathrm { KMnO } _ { 4 }$ (4) $\mathrm { H } _ { 2 } \mathrm { O } , \mathrm { H } ^ { + }$and $\mathrm { NaOH } _ { ( \text {alc } ) } / \mathrm { I } _ { 2 }$
Q39. The adsorbent used in adsorption chromatography is/are - A. silica gel B. alumina C. quick lime D. magnesia Choose the most appropriate answer from the options given below :\\
(1) A only\\
(2) B only\\
(3) C and D only\\
(4) A and B only
Q40.\\
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Product P is
(1)\\
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(2)\\
\includegraphics[alt={}]{smile-f1e289f62c572dcdcb28b606909378f076106dc6}
(3)\\
\includegraphics[alt={}]{smile-047c7e2aca1273f58da91050df8670d36b223a06}
(4)\\
\includegraphics[alt={}]{smile-07ece28a862895464b7d0ed741959414eaa9061f}
Q41.\\
\includegraphics[max width=\textwidth, alt={}, center]{6d4cf81d-9dc7-4d28-bc1e-891e36b2369d-07_394_1419_815_203}
In the above chemical reaction sequence " A " and " B " respectively are\\
(1) $\mathrm { H } _ { 2 } \mathrm { O } , \mathrm { H } ^ { + }$and $\mathrm { KMnO } _ { 4 }$\\
(2) $\mathrm { O } _ { 3 } , \mathrm { Zn } / \mathrm { H } _ { 2 } \mathrm { O }$ and $\mathrm { NaOH } _ { ( \text {alc } ) } / \mathrm { I } _ { 2 }$\\
(3) $\mathrm { O } _ { 3 } , \mathrm { Zn } / \mathrm { H } _ { 2 } \mathrm { O }$ and $\mathrm { KMnO } _ { 4 }$\\
(4) $\mathrm { H } _ { 2 } \mathrm { O } , \mathrm { H } ^ { + }$and $\mathrm { NaOH } _ { ( \text {alc } ) } / \mathrm { I } _ { 2 }$