The number of radial nodes present in 3p orbital is from Chemist

Subject

Chemistry

Class

JEE Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

1.

Which one of the following is not a state function?

  • Internal energy

  • Work

  • Entropy

  • Free energy


Advertisement

2.

The number of radial nodes present in 3p orbital is

  • 0

  • 1

  • 2

  • 3


A.

0

Number of radial nodes= n - l -1
For 3p-orbital n = 3, l=1
:. Number of radial nodes= 3 - 2 -1 = 0


Advertisement
3.

The radiation with maximum frequency is

  • X-ray

  • radio waves

  • UV rays

  • IR rays


4.

The equation used to represents the electron gain enthalpy is

  • X(g) + e- → X-(g)

  • X(s) + e- → X-(g)

  • X(g) → X+(g) + e-

  • X(s) → X+(g) + e-


Advertisement
5.

An element in +2 oxidation state has 24 electrons. The atomic number of the element and the number of unpaired electrons in it respectively are

  • 24 and 4

  • 26 and 4

  • 24 and 2

  • 26 and 5


6.

Number of bonding electron pairs and number of lone pairs of electrons in ClF3, SF4, BrF5 respectively are

  • 3, 2, 4, 2, 5, 2

  • 3, 1, 4, 1,5, 2

  • 3, 1, 4, 2, 5, 1

  • 3, 2, 4, 1, 5, 1


7.

What is the bond order of N2 ?

  • 3

  • 4

  • 2

  • 1


8.

Match the following
List I List II
(A) Viscosity (I) Critical temperature
(B) Ideal gas behaviour (II) Isobar
(C) Liquefaction of gases (III) Compressibility factor
(D) Charles'law (IV) kg s-2
  (V) kgm-1s-1

The correct answer

  • A-IV, B-III, C-I, D-II

  • A-V, B-III, C-I, D-II

  • A-V, B-III, C-II, D-I

  • A-IV, B-III, C-II, D-I


Advertisement
9.

The most probable speed of O2, molecules at T(K) is

  • RT4π

  • RT16π

  • RT16

  • 3RT32


10.

Acccording to significant figure convention the result obtained by adding 12.11, 18.0 and 1.012 is

  • 31.12

  • 31.1

  • 31

  • 31.122


Advertisement