AIPMT 2015 | Structure of Atom Question 24 | Chemistry

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AIPMT 2015

MCQ (Single Correct Answer)

-1

Which is the correct order of increasing energy of the listed orbitals in the atom of titanium ? (At. no. Z = 22)

4s 3s 3p 3d

3s 3p 3d 4s

3s 3p 4s 3d

3s 4s 3p 3d

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

The angular momentum of electron in 'd' orbital is equal to

$$2\sqrt 3 h$$

0 $$\hbar $$

$$\sqrt 6 \,\hbar $$

$$\sqrt 2 \,\hbar $$

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

The number of d-electrons in Fe²⁺ (Z = 26) is not equal to the number of electrons in which one of the following ?

d-electrons in Fe (Z = 26)

p-electrons in Ne (Z = 10)

s-electrons in Mg (Z = 12)

p-electrons in Cl(Z = 17)

AIPMT 2014

MCQ (Single Correct Answer)

-1

Calculate the energy in joule corresponding to light of wavelength 45 nm. (Planck,s constant, h = 6.63 $$ \times $$ 10^$$-$$34 J s, speed of light, c = 3 $$ \times $$ 10⁸ m s^$$-$$1)

6.67 $$ \times $$ 10¹⁵

6.67 $$ \times $$ 10¹¹

4.42 $$ \times $$ 10^$$-$$15

4.42 $$ \times $$ 10^$$-$$18

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