Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

Which compound does not form iodoform with alkali and iodine (a) Acetone (b) Ethanol (c) Diethyl ketone (d) Isopropyl alcohol Which compound does not form iodoform with alkali and iodine (a) Acetone (b) Ethanol (c) Diethyl ketone (d) Isopropyl alcohol February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which compound gives yellow ppt. with iodine and alkali (a) 2-hydroxy propane (b) Acetophenone (c) Methyl acetone (d) Acetamide Which compound gives yellow ppt. with iodine and alkali (a) 2-hydroxy propane (b) Acetophenone (c) Methyl acetone (d) Acetamide February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Chlorobenzene can be prepared by reacting aniline with (a) Hydrochloric acid (b) Cuprous chloride (c) Chlorine in presence of anhydrous aluminium chloride Chlorobenzene can be prepared by reacting aniline with (a) Hydrochloric acid (b) Cuprous chloride (c) Chlorine in presence of anhydrous aluminium chloride February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Which defect causes decrease in the density of crystal (a) Frenkel (b) Schottky (c) Interstitial (d) F – centre Which defect causes decrease in the density of crystal (a) Frenkel (b) Schottky (c) Interstitial (d) F - centre February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

On heating diethyl ether with conc. HI, 2 moles of which of the following is formed (a) Ethanol (b) Iodoform (c) Ethyl iodide (d) Methyl iodide 2 moles of which of the following is formed (a) Ethanol (b) Iodoform (c) Ethyl iodide (d) Methyl iodide On heating diethyl ether with conc. HI February 9, 2021 [...]

Due to Frenkel defect , the density of ionic solids (a) Increases (b) Decreases (c) Does not change (d) Changes Due to frenkel defect the density of ionic solids (a) Increases (b) Decreases (c) Does not change (d) Changes February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The defect that is more likely to occur in almost all types of ionic crystals is (a) Non – stoichiometric defects (b) Schottky defect (c) Frenkel defect (d) All of the above The defect that is more likely to occur in almost all types of ionic crystals is (a) Non - stoichiometric defects (b) Schottky [...]

In AgBr crystal, the ion size lies in the order Ag^+ << BR^- . The AgBr crystal should have the following charcteristics In AgBr crystal the ion size lies in the order Ag^+ << BR^- . The AgBr crystal should have the following charcteristics February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

The white ZnO turns yellow on heating because of (a) Frenkel defect (b) metal excess defect (c) Metal deficiency defect (d) Schottky defect The white ZnO turns yellow on heating because of (a) Frenkel defect (b) Metal excess defect (c) Metal deficiency defect (d) Schottky defect February 9, 2021 Category: Uncategorised (JEE Advanced Physics by [...]

Certain crystals produce electric signals on application of pressure. This phenomenon is called (a) Pyroelectricity (b) Ferroelectricity (c) Peizoelectricity (d) Ferrielectricity Certain crystals produce electric signals on application of pressure. This phenomenon is called (a) Pyroelectricity (b) Ferroelectricity (c) Peizoelectricity (d) Ferrielectricity February 9, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]