Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Which of the following statements is incorrect (a) C2H5Br reacts with alco. KOH to form C2H5OH (b) C2H5Br when treated with metallic sodium gives ethane
08
Feb
Which of the following statements is incorrect (a) C2H5Br reacts with alco. KOH to form C2H5OH (b) C2H5Br when treated with metallic sodium gives ethane Which of the following statements is incorrect (a) C2H5Br reacts with alco. KOH to form C2H5OH (b) C2H5Br when treated with metallic sodium gives ethane February 8, 2021 Category: Uncategorised [...]
The correct increasing order of the reactivity of halides for SN1 reaction is (a) CH3 – CH3 – X < (CH3)2CH-X < CH2 = CH – CH2 – X < PhCH2 – X
08
Feb
The correct increasing order of the reactivity of halides for SN1 reaction is (a) CH3 – CH3 – X < (CH3)2CH-X < CH2 = CH – CH2 – X < PhCH2 – X The correct increasing order of the reactivity of halides for SN1 reaction is (a) CH3 - CH3 - X < (CH3)2CH-X < [...]
Alcoholic solution of KOH is used for (a) Dehydration (b) Dehydrogenation (c) Dehydrohalogenation (d) Dehalogenation
08
Feb
Alcoholic solution of KOH is used for (a) Dehydration (b) Dehydrogenation (c) Dehydrohalogenation (d) Dehalogenation Alcoholic solution of KOH is used for (a) Dehydration (b) Dehydrogenation (c) Dehydrohalogenation (d) Dehalogenation February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The number of carbon atoms per unit cell of diamond is (a) 1 (b) 4 (c) 8 (d) 6
08
Feb
The number of carbon atoms per unit cell of diamond is (a) 1 (b) 4 (c) 8 (d) 6 The number of carbon atoms per unit cell of diamond is (a) 1 (b) 4 (c) 8 (d) 6 February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
When alkyl halide is heated with dry Ag2O, it produces (a) Ester (b) Ether (c) Ketone (d) Alcohol
08
Feb
When alkyl halide is heated with dry Ag2O, it produces (a) Ester (b) Ether (c) Ketone (d) Alcohol it produces (a) Ester (b) Ether (c) Ketone (d) Alcohol When alkyl halide is heated with dry Ag2O February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
On heating CHCl3 with aq. NaOH, the product is (a) CH3COONa (b) HCOONa (c) Sodium oxalate (d) CH3OH
08
Feb
On heating CHCl3 with aq. NaOH, the product is (a) CH3COONa (b) HCOONa (c) Sodium oxalate (d) CH3OH On heating CHCl3 with aq. NaOH the product is (a) CH3COONa (b) HCOONa (c) Sodium oxalate (d) CH3OH February 8, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A substance Ax By crystallizes in a face – centred cubic lattice in which atoms A occupy the centres of each face of the cube. Identify the correct composition of the substance Ax By.
17
Dec
A substance Ax By crystallizes in a face – centred cubic lattice in which atoms A occupy the centres of each face of the cube. Identify the correct composition of the substance Ax By. A substance Ax By crystallizes in a face - centred cubic lattice in which atoms A occupy the centres of each [...]
In a solid AB having the NaCl structure, A atom occupies the corners of the cubic unit cell. If all the face-centred atoms along one of the axes are removed, then the resultant stoichiometry of the solid is
17
Dec
In a solid AB having the NaCl structure, A atom occupies the corners of the cubic unit cell. If all the face-centred atoms along one of the axes are removed, then the resultant stoichiometry of the solid is A atom occupies the corners of the cubic unit cell. If all the face-centred atoms along one [...]
When an electron in an excited state of Mo atoms falls from L to K-shell , an X-ray is emitted. These X-rays are diffracted at angle of 7.75∘ by planes with a separation of 2.94Ã…. What is the difference in energy between k-shell and L-shell in Mo, assuming of first order diffraction ? ( sin7. 75∘ = 0.1349)
17
Dec
When an electron in an excited state of Mo atoms falls from L to K-shell , an X-ray is emitted. These X-rays are diffracted at angle of 7.75∘ by planes with a separation of 2.94Ã…. What is the difference in energy between k-shell and L-shell in Mo, assuming of first order diffraction ? ( sin7. [...]
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an X-ray is emitted. These X-rays are diffracted at angle of 7.75∘ by planes with a separation of 2.94Ã…. What is the difference in energy between k-shell and L-shell in Mo ,
assuming of first order diffraction ? ( sin7. 75∘ = 0.1349) ,
When an electron in an excited state of Mo atoms falls from L to K-shell ,
In which of the following crystals alternate tetrahedral voids are occupied. (a) NaCl (b) ZnS (c) CaF2 (d) Na2O
17
Dec
In which of the following crystals alternate tetrahedral voids are occupied. (a) NaCl (b) ZnS (c) CaF2 (d) Na2O In which of the following crystals alternate tetrahedral voids are occupied. (a) NaCl (b) ZnS (c) CaF2 (d) Na2O December 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,