02. STRUCTURE OF ATOM[KARNATAKA CET EXCLUSIVE]
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHEMISTRY(KCET)

285232 Consider the following sets of quantum numbers:
Which of the below setting is not permissible arrangement of electrons in an atom?

1 \(n = 4\), \(l = 0\), \(m = 0\), \(s = - \frac{1}{2}\)
2 \(n = 5\), \(l = 3\), \(m = 0\), \(s = + \frac{1}{2}\)
3 \(n = 3\), \(l = 2\), \(m = -2\), \(s = - \frac{1}{2}\)
4 \(n = 3\), \(l = 2\), \(m = -3\), \(s = + \frac{1}{2}\)
CHEMISTRY(KCET)

285233 The two electrons have the following sets of quantum numbers:

\(\mathrm{P}=3,2,-2,+\frac{1}{2}: \mathrm{Q}=3,0,0,+\frac{1}{2}\)
Which of the following statements is true?

1 P has greater energy thanQ .
2 P and Q represent same electron.
3 \(P\) and \(Q\) have same energy.
4 P has lesser energy than Q.
CHEMISTRY(KCET)

285234 Among the elements from atomic number 1 to36 , the number of elements which have an unpaired electron in their \(s\)-subshell is

1 4
2 7
3 6
4 9
CHEMISTRY(KCET)

285235 The statement that is not correct is

1 angular quantum number signifies the shape of the orbital
2 energies of stationary states in hydrogen like atoms is inversely proportional to the square of the principal quantum number
3 total number of nodes for 3 s orbital is three
4 the radius of the first orbit of \(\mathrm{He}^{+}\)is half that of the first orbit of hydrogen atom.
CHEMISTRY(KCET)

285232 Consider the following sets of quantum numbers:
Which of the below setting is not permissible arrangement of electrons in an atom?

1 \(n = 4\), \(l = 0\), \(m = 0\), \(s = - \frac{1}{2}\)
2 \(n = 5\), \(l = 3\), \(m = 0\), \(s = + \frac{1}{2}\)
3 \(n = 3\), \(l = 2\), \(m = -2\), \(s = - \frac{1}{2}\)
4 \(n = 3\), \(l = 2\), \(m = -3\), \(s = + \frac{1}{2}\)
CHEMISTRY(KCET)

285233 The two electrons have the following sets of quantum numbers:

\(\mathrm{P}=3,2,-2,+\frac{1}{2}: \mathrm{Q}=3,0,0,+\frac{1}{2}\)
Which of the following statements is true?

1 P has greater energy thanQ .
2 P and Q represent same electron.
3 \(P\) and \(Q\) have same energy.
4 P has lesser energy than Q.
CHEMISTRY(KCET)

285234 Among the elements from atomic number 1 to36 , the number of elements which have an unpaired electron in their \(s\)-subshell is

1 4
2 7
3 6
4 9
CHEMISTRY(KCET)

285235 The statement that is not correct is

1 angular quantum number signifies the shape of the orbital
2 energies of stationary states in hydrogen like atoms is inversely proportional to the square of the principal quantum number
3 total number of nodes for 3 s orbital is three
4 the radius of the first orbit of \(\mathrm{He}^{+}\)is half that of the first orbit of hydrogen atom.
CHEMISTRY(KCET)

285232 Consider the following sets of quantum numbers:
Which of the below setting is not permissible arrangement of electrons in an atom?

1 \(n = 4\), \(l = 0\), \(m = 0\), \(s = - \frac{1}{2}\)
2 \(n = 5\), \(l = 3\), \(m = 0\), \(s = + \frac{1}{2}\)
3 \(n = 3\), \(l = 2\), \(m = -2\), \(s = - \frac{1}{2}\)
4 \(n = 3\), \(l = 2\), \(m = -3\), \(s = + \frac{1}{2}\)
CHEMISTRY(KCET)

285233 The two electrons have the following sets of quantum numbers:

\(\mathrm{P}=3,2,-2,+\frac{1}{2}: \mathrm{Q}=3,0,0,+\frac{1}{2}\)
Which of the following statements is true?

1 P has greater energy thanQ .
2 P and Q represent same electron.
3 \(P\) and \(Q\) have same energy.
4 P has lesser energy than Q.
CHEMISTRY(KCET)

285234 Among the elements from atomic number 1 to36 , the number of elements which have an unpaired electron in their \(s\)-subshell is

1 4
2 7
3 6
4 9
CHEMISTRY(KCET)

285235 The statement that is not correct is

1 angular quantum number signifies the shape of the orbital
2 energies of stationary states in hydrogen like atoms is inversely proportional to the square of the principal quantum number
3 total number of nodes for 3 s orbital is three
4 the radius of the first orbit of \(\mathrm{He}^{+}\)is half that of the first orbit of hydrogen atom.
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHEMISTRY(KCET)

285232 Consider the following sets of quantum numbers:
Which of the below setting is not permissible arrangement of electrons in an atom?

1 \(n = 4\), \(l = 0\), \(m = 0\), \(s = - \frac{1}{2}\)
2 \(n = 5\), \(l = 3\), \(m = 0\), \(s = + \frac{1}{2}\)
3 \(n = 3\), \(l = 2\), \(m = -2\), \(s = - \frac{1}{2}\)
4 \(n = 3\), \(l = 2\), \(m = -3\), \(s = + \frac{1}{2}\)
CHEMISTRY(KCET)

285233 The two electrons have the following sets of quantum numbers:

\(\mathrm{P}=3,2,-2,+\frac{1}{2}: \mathrm{Q}=3,0,0,+\frac{1}{2}\)
Which of the following statements is true?

1 P has greater energy thanQ .
2 P and Q represent same electron.
3 \(P\) and \(Q\) have same energy.
4 P has lesser energy than Q.
CHEMISTRY(KCET)

285234 Among the elements from atomic number 1 to36 , the number of elements which have an unpaired electron in their \(s\)-subshell is

1 4
2 7
3 6
4 9
CHEMISTRY(KCET)

285235 The statement that is not correct is

1 angular quantum number signifies the shape of the orbital
2 energies of stationary states in hydrogen like atoms is inversely proportional to the square of the principal quantum number
3 total number of nodes for 3 s orbital is three
4 the radius of the first orbit of \(\mathrm{He}^{+}\)is half that of the first orbit of hydrogen atom.