Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Total volume of atoms present in face – centred cubic unit cell of a metal is ( r is atomic radius ) (a) 20 / 3 pier^3 (b) 24 /3 pie r^3 (c) 12 /3 pie r^3 (d) 16 /3 pie r^3
08
Feb
Total volume of atoms present in face – centred cubic unit cell of a metal is ( r is atomic radius ) (a) 20 / 3 pier^3 (b) 24 /3 pie r^3 (c) 12 /3 pie r^3 (d) 16 /3 pie r^3 Total volume of atoms present in face - centred cubic unit cell of [...]
An organic compound on heating with CuO produces CO2 but no water. The organic compound may be (a) Chloroform (b) Methane (c) Ethyl iodide
08
Feb
An organic compound on heating with CuO produces CO2 but no water. The organic compound may be (a) Chloroform (b) Methane (c) Ethyl iodide An organic compound on heating with CuO produces CO2 but no water. The organic compound may be (a) Chloroform (b) Methane (c) Ethyl iodide February 8, 2021 Category: Uncategorised (JEE Advanced [...]
The order of reactivities of methyl halides in the formation of Grignard reagent is (a) CH3I > CH3Br > CH3Cl (b) CH3Cl > CH3Br > CH3I
08
Feb
The order of reactivities of methyl halides in the formation of Grignard reagent is (a) CH3I > CH3Br > CH3Cl (b) CH3Cl > CH3Br > CH3I The order of reactivities of methyl halides in the formation of Grignard reagent is (a) CH3I > CH3Br > CH3Cl (b) CH3Cl > CH3Br > CH3I February 8, 2021 [...]
Which of the following is used as a catalyst for preparing Grignard reagent (a) Iron powder (b) Iodine powder (c) Activated charcoal (d) Manganese dioxide
08
Feb
Which of the following is used as a catalyst for preparing Grignard reagent (a) Iron powder (b) Iodine powder (c) Activated charcoal (d) Manganese dioxide Which of the following is used as a catalyst for preparing Grignard reagent (a) Iron powder (b) Iodine powder (c) Activated charcoal (d) Manganese dioxide February 8, 2021 Category: Uncategorised [...]
Which of the following statements about benzyl chloride is incorrect (a) It is less reactive than alkyl halides (b) It can be oxidised to benzaldehyde by boiling with copper nitrate solution
08
Feb
Which of the following statements about benzyl chloride is incorrect (a) It is less reactive than alkyl halides (b) It can be oxidised to benzaldehyde by boiling with copper nitrate solution Which of the following statements about benzyl chloride is incorrect (a) It is less reactive than alkyl halides (b) It can be oxidised to [...]
Na and Mg crystallize in bcc and fcc type crystals respectively , then the number of atoms of Na and Mg present in the unit cell of their respectively crystal is
08
Feb
Na and Mg crystallize in bcc and fcc type crystals respectively , then the number of atoms of Na and Mg present in the unit cell of their respectively crystal is Na and Mg crystallize in bcc and fcc type crystals respectively then the number of atoms of Na and Mg present in the unit [...]
If ‘Z’ is the number of atoms in the unit cell that represents the closest packing sequence —- A B C A B C — , the number of tetrahedral voids in the unit cell is equal to
08
Feb
If ‘Z’ is the number of atoms in the unit cell that represents the closest packing sequence —- A B C A B C — , the number of tetrahedral voids in the unit cell is equal to If 'Z' is the number of atoms in the unit cell that represents the closest packing sequence [...]
Salicylic acid can be prepared using Reimer-Tiemann’s reaction by treating phenol with (a) Methyl chloride in presence of anhydrous aluminium chloride
08
Feb
Salicylic acid can be prepared using Reimer-Tiemann’s reaction by treating phenol with (a) Methyl chloride in presence of anhydrous aluminium chloride Salicylic acid can be prepared using Reimer-Tiemann's reaction by treating phenol with (a) Methyl chloride in presence of anhydrous aluminium chloride February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
If AgI crystallises in zinc blende structure with I^- ions at lattice points. what fraction tetrahedral voids is occupied by Ag^+ ions
08
Feb
If AgI crystallises in zinc blende structure with I^- ions at lattice points. what fraction tetrahedral voids is occupied by Ag^+ ions If AgI crystallises in zinc blende structure with I^- ions at lattice points. what fraction tetrahedral voids is occupied by Ag^+ ions February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
An AB2 type structure is found in (a) NaCL (b) AL2O3 (c) CaF2 (d) N2O
08
Feb
An AB2 type structure is found in (a) NaCL (b) AL2O3 (c) CaF2 (d) N2O An AB2 type structure is found in (a) NaCl (b) AL2O3 (c) CaF2 (d) N2O February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,