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An ion which carries +3 charge posseses ...

An ion which carries `+3` charge posseses magneticof 4.9 B.M.andits last electron possesses orbital angular momentum of `sqrt(6h)`. Write the E.C. of that ion and identify that element if highest n in the E.C. of that ion is 3.

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(Mn)
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How many degenerate orbitals are presentin a subshell if electron associated with that subshell possesses orbital angular momentum =2 sqrt (3) h ?

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Statement-1: The angular momentum of e^(-) " in " 4 f " orbital is " sqrt3(h)/(pi) . Statement-2: Augular momentum of electron in 4 th orbit is (2h)/(pi) .

The orbital angular momentum of an electron is sqrt3(h)/(pi). Which of the following should not be the permissible value of orbit angular momentum of this electron revolving in Bohr orbit ?

Statement-1: The orbital angular momentum of d-electron in orbitals is sqrt(6)(h)/(2pi) Statement-2: Angular momentum of e^(-) in orbit is mvr =(nh)/(2pi)

Calculate the angular momentum of the following : (a) 3 rd orbit , (b) 4 p orbital , (c ) 3 d orbital .

An atom of element E contains 3 protons, 3 electrons and 4 neutrons : (a) What is its atomic number ? (b) What is its mass number ? (c) Write the electronic configuration of the element E (d) State whether element E is a metal or non-metal. Why ? (e) What type of ion, cation of anion, will be formed by an atom of element E ? Why ? (f) Write the symbol of the ion formed by an atom of element E (g) What could element X be ?

Spin angular momentum of an electron has no analogue in classical mechanics. Howerver, it turns out that the treatment of spin angular momentum is closely analogous to the treatment of orbital angular momentum Spin angular momentum =sqrt(s(s+1))h Orbital angular momentum =sqrt(l(l+1))h Total spin of ana tom or ion is a multiple of (1)/(2) . Spin multiplicity is a factor to confirm the electronic configuration of an atom or ion. Spin multiplicity =(2sums+1) Q. The orbital angular momentum of a 2p-electron is:

Spin angular momentum of an electron has no analogue in classical mechanics. Howerver, it turns out that the treatment of spin angular momentum is closely analogous to the treatment of orbital angular momentum Spin angular momentum =sqrt(s(s+1))h Orbital angular momentum =sqrt(l(l+1))h Total spin of ana tom or ion is a multiple of (1)/(2) . Spin multiplicity is a factor to confirm the electronic configuration of an atom or ion. Spin multiplicity =(2sums+1) Q. Total spin of Mn^(2+)(Z=25) ion will be:

Knowledge Check

  • How many degenerate orbitals are presentin a subshell if electron associated with that subshell possesses orbital angular momentum =2 sqrt (3) h ?

    A
    No degenerate orbitals
    B
    Seven degenerates orbitals
    C
    Three degenerate orbitals
    D
    No of degenerate orbitals are same as in subshell which possesses `mu_(L) = 3.46 ` B.M.

  • The orbital angular momentum of an electron is sqrt3(h)/(pi). Which of the following should not be the permissible value of orbit angular momentum of this electron revolving in Bohr orbit ?

    A
    `h/(2pi)`
    B
    `h/pi`
    C
    `3.(h)/(2pi)`
    D
    `2.(h)/(pi)`

  • Statement-1: The orbital angular momentum of d-electron in orbitals is sqrt(6)(h)/(2pi) Statement-2: Angular momentum of e^(-) in orbit is mvr =(nh)/(2pi)

    A
    If both the statement are TRUE and STATEMENT-2 is the correct explanation of STATEMENT-2
    B
    If both the statements are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-2
    C
    If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE
    D
    If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE