05. Electronic Configuration and Shape of Orbital's
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Structure of Atom

239065 The electrons identified by quantum numbers
(i) $\mathrm{n}=4,1=1$
(ii) $\mathrm{n}=4,1=0$
(iii) $\mathrm{n}=3,1=2$
(iv) $\mathrm{n}=2,1=1$
Can be placed in order of increasing energy from the lowest to highest as

1 (iv) $<$ (ii) $<$ (iii) $<$ (i)
2 (ii) $<$ (iv) $<$ (i) $<$ (iii)
3 (i) $<$ (iii) $<$ (ii) $<$ (iv)
4 (iii) $<$ (i) $<$ (iv) $<$ (ii)
J and K CET-(2003)
Structure of Atom

239061 The electrons identified by quantum numbers $n$ and l, (i) $n=4, l=1$ (ii) $n=4, l=0$ (iii) $n=3, l=$ 2 and (iv) $n=3,1=1$ can be placed in order of increasing energy as
#[Qdiff: Easy, QCat: Theory Based, examname: Thus, Hence, |---|, |
,
, {|c|c|c|c|}
, J and K CET-(2011)
, | { Ans. (c): $$} |, |$$ | $l$ | $ l$ sub orbit | $+l$ |, |4 | 1 | $4 $ | 5 |, |4 | 0 | $4 $ | 4 |, |3 | 2 | $3 $ | 5 |, |3 | 1 | $3 $ | 4 |, Higher the value of $(\mathrm{n}+l)$, higher the energy if $(\mathrm{n}+l)$ are same, sub orbit with lower value of $\mathrm{n}$ has lower energy.
, $3 \mathrm{p}<4$ s $<3 \mathrm{~d}<4 \mathrm{p}$
, correct order is (iv) $<$ (ii) $<$ (iii) $<$ (i)
, 559. Out of the following which is the correct set of quantum numbers for outermost electron of potassium ( $Z=19)$ ?
, (b) $4 \quad 2 \quad 0 \quad 0 \quad-1 / 2$
, (c) $4 \quad 1 \quad 0 \quad+1 / 2$
, (d) $4 \quad 0 \quad 0 \quad-1 / 2$
, J and K CET-(2010)]#

1 (i) $<$ (ii) $<$ (iii) $<$ (iv)
2 (iv) $<$ (iii) $<$ (ii) $<$ (i)
3 (iv) $<$ (ii) $<$ (iii) $<$ (i)
4 (iv) $<$ (i) $<$ (ii) $<$ (iii)
Structure of Atom

239087 The number of angular and radial nodes in $3 p$ orbital respectively are
#[Qdiff: Easy, QCat: Theory Based, examname: Kerala-CEE-29.08.2021
, Karnataka-CET-2021]#

1 3,1
2 1,1
3 2,1
4 2,3
Structure of Atom

239076 If magnetic quantum number of a given atom represented by 3 , then what will be its principal quantum number?

1 2
2 3
3 4
4 5
JIPMER-2006
NEET DIGITAL LIBRARY
Structure of Atom

239065 The electrons identified by quantum numbers
(i) $\mathrm{n}=4,1=1$
(ii) $\mathrm{n}=4,1=0$
(iii) $\mathrm{n}=3,1=2$
(iv) $\mathrm{n}=2,1=1$
Can be placed in order of increasing energy from the lowest to highest as

1 (iv) $<$ (ii) $<$ (iii) $<$ (i)
2 (ii) $<$ (iv) $<$ (i) $<$ (iii)
3 (i) $<$ (iii) $<$ (ii) $<$ (iv)
4 (iii) $<$ (i) $<$ (iv) $<$ (ii)
J and K CET-(2003)
Structure of Atom

239061 The electrons identified by quantum numbers $n$ and l, (i) $n=4, l=1$ (ii) $n=4, l=0$ (iii) $n=3, l=$ 2 and (iv) $n=3,1=1$ can be placed in order of increasing energy as
#[Qdiff: Easy, QCat: Theory Based, examname: Thus, Hence, |---|, |
,
, {|c|c|c|c|}
, J and K CET-(2011)
, | { Ans. (c): $$} |, |$$ | $l$ | $ l$ sub orbit | $+l$ |, |4 | 1 | $4 $ | 5 |, |4 | 0 | $4 $ | 4 |, |3 | 2 | $3 $ | 5 |, |3 | 1 | $3 $ | 4 |, Higher the value of $(\mathrm{n}+l)$, higher the energy if $(\mathrm{n}+l)$ are same, sub orbit with lower value of $\mathrm{n}$ has lower energy.
, $3 \mathrm{p}<4$ s $<3 \mathrm{~d}<4 \mathrm{p}$
, correct order is (iv) $<$ (ii) $<$ (iii) $<$ (i)
, 559. Out of the following which is the correct set of quantum numbers for outermost electron of potassium ( $Z=19)$ ?
, (b) $4 \quad 2 \quad 0 \quad 0 \quad-1 / 2$
, (c) $4 \quad 1 \quad 0 \quad+1 / 2$
, (d) $4 \quad 0 \quad 0 \quad-1 / 2$
, J and K CET-(2010)]#

1 (i) $<$ (ii) $<$ (iii) $<$ (iv)
2 (iv) $<$ (iii) $<$ (ii) $<$ (i)
3 (iv) $<$ (ii) $<$ (iii) $<$ (i)
4 (iv) $<$ (i) $<$ (ii) $<$ (iii)
Structure of Atom

239087 The number of angular and radial nodes in $3 p$ orbital respectively are
#[Qdiff: Easy, QCat: Theory Based, examname: Kerala-CEE-29.08.2021
, Karnataka-CET-2021]#

1 3,1
2 1,1
3 2,1
4 2,3
Structure of Atom

239076 If magnetic quantum number of a given atom represented by 3 , then what will be its principal quantum number?

1 2
2 3
3 4
4 5
JIPMER-2006
Join With Us for More Updates
Structure of Atom

239065 The electrons identified by quantum numbers
(i) $\mathrm{n}=4,1=1$
(ii) $\mathrm{n}=4,1=0$
(iii) $\mathrm{n}=3,1=2$
(iv) $\mathrm{n}=2,1=1$
Can be placed in order of increasing energy from the lowest to highest as

1 (iv) $<$ (ii) $<$ (iii) $<$ (i)
2 (ii) $<$ (iv) $<$ (i) $<$ (iii)
3 (i) $<$ (iii) $<$ (ii) $<$ (iv)
4 (iii) $<$ (i) $<$ (iv) $<$ (ii)
J and K CET-(2003)
Structure of Atom

239061 The electrons identified by quantum numbers $n$ and l, (i) $n=4, l=1$ (ii) $n=4, l=0$ (iii) $n=3, l=$ 2 and (iv) $n=3,1=1$ can be placed in order of increasing energy as
#[Qdiff: Easy, QCat: Theory Based, examname: Thus, Hence, |---|, |
,
, {|c|c|c|c|}
, J and K CET-(2011)
, | { Ans. (c): $$} |, |$$ | $l$ | $ l$ sub orbit | $+l$ |, |4 | 1 | $4 $ | 5 |, |4 | 0 | $4 $ | 4 |, |3 | 2 | $3 $ | 5 |, |3 | 1 | $3 $ | 4 |, Higher the value of $(\mathrm{n}+l)$, higher the energy if $(\mathrm{n}+l)$ are same, sub orbit with lower value of $\mathrm{n}$ has lower energy.
, $3 \mathrm{p}<4$ s $<3 \mathrm{~d}<4 \mathrm{p}$
, correct order is (iv) $<$ (ii) $<$ (iii) $<$ (i)
, 559. Out of the following which is the correct set of quantum numbers for outermost electron of potassium ( $Z=19)$ ?
, (b) $4 \quad 2 \quad 0 \quad 0 \quad-1 / 2$
, (c) $4 \quad 1 \quad 0 \quad+1 / 2$
, (d) $4 \quad 0 \quad 0 \quad-1 / 2$
, J and K CET-(2010)]#

1 (i) $<$ (ii) $<$ (iii) $<$ (iv)
2 (iv) $<$ (iii) $<$ (ii) $<$ (i)
3 (iv) $<$ (ii) $<$ (iii) $<$ (i)
4 (iv) $<$ (i) $<$ (ii) $<$ (iii)
Structure of Atom

239087 The number of angular and radial nodes in $3 p$ orbital respectively are
#[Qdiff: Easy, QCat: Theory Based, examname: Kerala-CEE-29.08.2021
, Karnataka-CET-2021]#

1 3,1
2 1,1
3 2,1
4 2,3
Structure of Atom

239076 If magnetic quantum number of a given atom represented by 3 , then what will be its principal quantum number?

1 2
2 3
3 4
4 5
JIPMER-2006
For More Updates join with Us
Structure of Atom

239065 The electrons identified by quantum numbers
(i) $\mathrm{n}=4,1=1$
(ii) $\mathrm{n}=4,1=0$
(iii) $\mathrm{n}=3,1=2$
(iv) $\mathrm{n}=2,1=1$
Can be placed in order of increasing energy from the lowest to highest as

1 (iv) $<$ (ii) $<$ (iii) $<$ (i)
2 (ii) $<$ (iv) $<$ (i) $<$ (iii)
3 (i) $<$ (iii) $<$ (ii) $<$ (iv)
4 (iii) $<$ (i) $<$ (iv) $<$ (ii)
J and K CET-(2003)
Structure of Atom

239061 The electrons identified by quantum numbers $n$ and l, (i) $n=4, l=1$ (ii) $n=4, l=0$ (iii) $n=3, l=$ 2 and (iv) $n=3,1=1$ can be placed in order of increasing energy as
#[Qdiff: Easy, QCat: Theory Based, examname: Thus, Hence, |---|, |
,
, {|c|c|c|c|}
, J and K CET-(2011)
, | { Ans. (c): $$} |, |$$ | $l$ | $ l$ sub orbit | $+l$ |, |4 | 1 | $4 $ | 5 |, |4 | 0 | $4 $ | 4 |, |3 | 2 | $3 $ | 5 |, |3 | 1 | $3 $ | 4 |, Higher the value of $(\mathrm{n}+l)$, higher the energy if $(\mathrm{n}+l)$ are same, sub orbit with lower value of $\mathrm{n}$ has lower energy.
, $3 \mathrm{p}<4$ s $<3 \mathrm{~d}<4 \mathrm{p}$
, correct order is (iv) $<$ (ii) $<$ (iii) $<$ (i)
, 559. Out of the following which is the correct set of quantum numbers for outermost electron of potassium ( $Z=19)$ ?
, (b) $4 \quad 2 \quad 0 \quad 0 \quad-1 / 2$
, (c) $4 \quad 1 \quad 0 \quad+1 / 2$
, (d) $4 \quad 0 \quad 0 \quad-1 / 2$
, J and K CET-(2010)]#

1 (i) $<$ (ii) $<$ (iii) $<$ (iv)
2 (iv) $<$ (iii) $<$ (ii) $<$ (i)
3 (iv) $<$ (ii) $<$ (iii) $<$ (i)
4 (iv) $<$ (i) $<$ (ii) $<$ (iii)
Structure of Atom

239087 The number of angular and radial nodes in $3 p$ orbital respectively are
#[Qdiff: Easy, QCat: Theory Based, examname: Kerala-CEE-29.08.2021
, Karnataka-CET-2021]#

1 3,1
2 1,1
3 2,1
4 2,3
Structure of Atom

239076 If magnetic quantum number of a given atom represented by 3 , then what will be its principal quantum number?

1 2
2 3
3 4
4 5
JIPMER-2006
NEET DIGITAL LIBRARY