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Which one of the following does not correctly represent the correct order of the property indicated against it (a) Ti < V < Cr < Mn; increasing number of oxidation states
29
Nov
Which one of the following does not correctly represent the correct order of the property indicated against it (a) Ti < V < Cr < Mn; increasing number of oxidation states Which one of the following does not correctly represent the correct order of the property indicated against it (a) Ti < V < Cr [...]
Identify the incorrect statement among the following (a) There is decrease in the radii of atoms or ion as one proceeds from La to Lu
29
Nov
Identify the incorrect statement among the following (a) There is decrease in the radii of atoms or ion as one proceeds from La to Lu Identify the incorrect statement among the following (a) There is decrease in the radii of atoms or ion as one proceeds from La to Lu November 29, 2020 Category: Uncategorised [...]
Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have a highest third ionization enthalpy
29
Nov
Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have a highest third ionization enthalpy Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have a highest [...]
Lanthanoids are (a) 14 elements in the sixth period (atomic no. = 58 to 71) that are filling 4f sublevel
29
Nov
Lanthanoids are (a) 14 elements in the sixth period (atomic no. = 58 to 71) that are filling 4f sublevel Lanthanoids are (a) 14 elements in the sixth period (atomic no. = 58 to 71) that are filling 4f sublevel November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Sodium and copper have work functions 2.3 eV and 4.5 eV respectively. Then, the ratio of the wavelengths is nearest to
29
Nov
Sodium and copper have work functions 2.3 eV and 4.5 eV respectively. Then, the ratio of the wavelengths is nearest to Sodium and copper have work functions 2.3 eV and 4.5 eV respectively. Then the ratio of the wavelengths is nearest to November 29, 2020 Category: Chapter 17 - Dual Nature of Radiation , JEE [...]
Among the following series of transition metal ions, the one in which all metals ions have 3d2 electronic configuration is (a) Ti 4+, V 3+, Cr 2+ , Mn 3+
29
Nov
Among the following series of transition metal ions, the one in which all metals ions have 3d2 electronic configuration is (a) Ti 4+, V 3+, Cr 2+ , Mn 3+ Among the following series of transition metal ions Cr 2+ Mn 3+ the one in which all metals ions have 3d2 electronic configuration is (a) [...]
Two identical photo cathodes receive light of frequencies f1 and f2. if the velocities of the photoelectrons (of mass m) coming out are respectively v1 and v2, then
29
Nov
Two identical photo cathodes receive light of frequencies f1 and f2. if the velocities of the photoelectrons (of mass m) coming out are respectively v1 and v2, then then Two identical photo cathodes receive light of frequencies f1 and f2. if the velocities of the photoelectrons (of mass m) coming out are respectively v1 and [...]
A charged oil drop is suspended in a uniform field of 3×10^4 V/m so that it neither falls nor rises. The charge on the drop will be (take the mass of the charge =9.9×10^−15kg and g=10m/s^2)
29
Nov
A charged oil drop is suspended in a uniform field of 3×10^4 V/m so that it neither falls nor rises. The charge on the drop will be (take the mass of the charge =9.9×10^−15kg and g=10m/s^2) A charged oil drop is suspended in a uniform field of 3×10^4 V/m so that it neither falls nor [...]
The correct order of ionic radii of Y 3-, La 3+ , Eu 3+ and Lu 3+ is (a) La 3+ < Eu 3+ < Lu 3 + < Y 3+
29
Nov
The correct order of ionic radii of Y 3-, La 3+ , Eu 3+ and Lu 3+ is (a) La 3+ < Eu 3+ < Lu 3 + < Y 3+ Eu 3+ and Lu 3+ is (a) La 3+ < Eu 3+ < Lu 3+ < Y 3+ La 3+ The correct order of [...]
The correct order of ionic radii of Y 3-, La 3+, Eu 3+ and Lu 3+ is (a) La 3+ < Eu 3+ < Lu 3+ < Y 3+
29
Nov
The correct order of ionic radii of Y 3-, La 3+, Eu 3+ and Lu 3+ is (a) La 3+ < Eu 3+ < Lu 3+ < Y 3+ Eu 3+ and Lu 3+ is (a) La 3+ < Eu 3+ < Lu 3+ < Y 3+ La 3+ The correct order of ionic radii [...]