Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
In which of the following metallic bond is strongest (a) Fe (b) Sc (c) V (d) Cr
30
Nov
In which of the following metallic bond is strongest (a) Fe (b) Sc (c) V (d) Cr In which of the following metallic bond is strongest (a) Fe (b) Sc (c) V (d) Cr November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The ground state energy of hydrogen atom is – 13.6 eV . The energy of second excited state of He^+ ion in eV is
30
Nov
The ground state energy of hydrogen atom is – 13.6 eV . The energy of second excited state of He^+ ion in eV is The ground state energy of hydrogen atom is - 13.6 eV . The energy of second excited state of He^+ ion in eV is November 30, 2020 Category: Uncategorised (JEE Advanced [...]
If the nitrogen atom had electronic configuration 1S 7 , it would have enrgy lower than that of the normal ground state configuration 1s 2 ,2s 2 ,2p 3 , because the electrons would be closer to the nucleus. Yet 1s 7 is not observed because it violates.
30
Nov
If the nitrogen atom had electronic configuration 1S 7 , it would have enrgy lower than that of the normal ground state configuration 1s 2 ,2s 2 ,2p 3 , because the electrons would be closer to the nucleus. Yet 1s 7 is not observed because it violates. 2p 3 2s 2 because the electrons [...]
The number of unpaired electrons is maximum in (Atomic no. Ti = 22; V 23; Cr = 24; Fe = 26) (a) Cr (b) Fe (c) V (d) Sc
30
Nov
The number of unpaired electrons is maximum in (Atomic no. Ti = 22; V 23; Cr = 24; Fe = 26) (a) Cr (b) Fe (c) V (d) Sc The number of unpaired electrons is maximum in (Atomic no. Ti = 22; V 23; Cr = 24; Fe = 26) (a) Cr (b) Fe (c) [...]
Of the ions Zn 2+, Ni 2+ and Cr 3+ (atomic number of Zn = 30 , Ni = 28, Cr = 24) (a) Only Zn 2+ is colourless and Ni 2+ and cr 3+ are coloured
30
Nov
Of the ions Zn 2+, Ni 2+ and Cr 3+ (atomic number of Zn = 30 , Ni = 28, Cr = 24) (a) Only Zn 2+ is colourless and Ni 2+ and cr 3+ are coloured Cr = 24) (a) Only Zn 2+ is colourless and Ni 2+ and cr 3+ are coloured Ni [...]
For emission line of atomic hydrogen from ni = 8 to nf = the plot of wave number (v ) against [1/n^2 ] will be ( the rydberg constant , Rh is in wave number unit )
30
Nov
For emission line of atomic hydrogen from ni = 8 to nf = the plot of wave number (v ) against [1/n^2 ] will be ( the rydberg constant , Rh is in wave number unit ) For emission line of atomic hydrogen from ni = 8 to nf = the plot of wave number [...]
Which of the following statements is not correct about the electronic configuration of gaseous chromium atom (a) It has 5 electrons in 3d and one electron in 4s orbitals
30
Nov
Which of the following statements is not correct about the electronic configuration of gaseous chromium atom (a) It has 5 electrons in 3d and one electron in 4s orbitals Which of the following statements is not correct about the electronic configuration of gaseous chromium atom (a) It has 5 electrons in 3d and one electron [...]
Which of the graphs shown below does not represent the relation between incident light and the electron ejected from metal surface
30
Nov
Which of the graphs shown below does not represent the relation between incident light and the electron ejected from metal surface Which of the graphs shown below does not represent the relation between incident light and the electron ejected from metal surface November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Which of the following is not true for transition metals (a) They are malleable and ductile (b) They have high boiling and melting point
30
Nov
Which of the following is not true for transition metals (a) They are malleable and ductile (b) They have high boiling and melting point Which of the following is not true for transition metals (a) They are malleable and ductile (b) They have high boiling and melting point November 30, 2020 Category: Uncategorised (JEE Advanced [...]
The formula of mercurous ion is (a) Hg+ (b) Hg2 + (c) Hg2 2+ (d) None of these
30
Nov
The formula of mercurous ion is (a) Hg+ (b) Hg2 + (c) Hg2 2+ (d) None of these The formula of mercurous ion is (a) Hg+ (b) Hg2 + (c) Hg2 2+ (d) None of these November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,