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The radius of hydrogen atom is 53 A. The radius of 3Li^2+ is of (a) 1.27 A (b) 0.17 A (c) 0.57 A (d) 0.99 A
27
Nov
The radius of hydrogen atom is 53 A. The radius of 3Li^2+ is of (a) 1.27 A (b) 0.17 A (c) 0.57 A (d) 0.99 A The radius of hydrogen atom is 53 A. The radius of 3Li^2+ is of (a) 1.27 A (b) 0.17 A (c) 0.57 A (d) 0.99 A November 27, 2020 [...]
The energy of an electron in the 3rd orbit of an atom is -E . The energy of an electron in the first orbit will be
27
Nov
The energy of an electron in the 3rd orbit of an atom is -E . The energy of an electron in the first orbit will be The energy of an electron in the 3rd orbit of an atom is -E . The energy of an electron in the first orbit will be November 27, 2020 [...]
What is the frequency of photon , whose momentum is 1.1 x 10^-23 kg/ms^2
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Nov
What is the frequency of photon , whose momentum is 1.1 x 10^-23 kg/ms^2 What is the frequency of photon whose momentum is 1.1 x 10^-23 kg/ms^2 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The hydration energy of Mg++ is larger than that of (a) Al +3 (b) Na+ (c) Be ++ (d) Mg +3
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Nov
The hydration energy of Mg++ is larger than that of (a) Al +3 (b) Na+ (c) Be ++ (d) Mg +3 The hydration energy of Mg++ is larger than that of (a) Al +3 (b) Na+ (c) Be ++ (d) Mg +3 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Splitting of spectral lines under the influence of magnetic field is called (a) Zeeman effect (b) stark effect (c) photoelectric effect (d) none of these
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Nov
Splitting of spectral lines under the influence of magnetic field is called (a) Zeeman effect (b) stark effect (c) photoelectric effect (d) none of these Splitting of spectral lines under the influence of magnetic field is called (a) Zeeman effect (b) stark effect (c) photoelectric effect (d) none of these November 27, 2020 Category: Uncategorised [...]
Chlorine acts as a bleaching agent only in presence of (a) Dry air (b) Moisture (c) Sunlight (d) Pure oxygen
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Nov
Chlorine acts as a bleaching agent only in presence of (a) Dry air (b) Moisture (c) Sunlight (d) Pure oxygen Chlorine acts as a bleaching agent only in presence of (a) Dry air (b) Moisture (c) Sunlight (d) Pure oxygen November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Moderate electrical conductivity is shown by (a) Silica (b) Graphite (c) Diamond (d) Carborundum
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Nov
Moderate electrical conductivity is shown by (a) Silica (b) Graphite (c) Diamond (d) Carborundum Moderate electrical conductivity is shown by (a) Silica (b) Graphite (c) Diamond (d) Carborundum November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The correct order of 2nd ionization potential of carbon, nitrogen, oxygen and fluorine is (a) C > N > O > F (b) O > N > F > C
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Nov
The correct order of 2nd ionization potential of carbon, nitrogen, oxygen and fluorine is (a) C > N > O > F (b) O > N > F > C nitrogen oxygen and fluorine is (a) C > N > O > F (b) O > N > F > C The correct order of [...]
Which of the following statements about anhydrous aluminium chloride is correct (a) It exists as AlCl3 molecules
27
Nov
Which of the following statements about anhydrous aluminium chloride is correct (a) It exists as AlCl3 molecules Which of the following statements about anhydrous aluminium chloride is correct (a) It exists as AlCl3 molecules November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
HBr and HI reduce sulphuric acid, HCl can reduce KMnO4 and HF can reduce (a) H2SO4 (b) KMnO4 (c) K2Cr2O7 (d) None of these
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Nov
HBr and HI reduce sulphuric acid, HCl can reduce KMnO4 and HF can reduce (a) H2SO4 (b) KMnO4 (c) K2Cr2O7 (d) None of these HBr and HI reduce sulphuric acid HCl can reduce KMnO4 and HF can reduce (a) H2SO4 (b) KMnO4 (c) K2Cr2O7 (d) None of these November 27, 2020 Category: Uncategorised (JEE Advanced [...]