Inter 2nd Year Chemistry Important Questions. We covered all the Inter 2nd Year Chemistry Important Questions in this post for free so that you can practice well for the exam.
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Inter 2nd Year Chemistry Important Objective Questions for Students
The order of electron affinity of B, C, N, and O is
(A) O> B> C>N
(B) O> C> B>N
(C) B > N> C>O
(D) O> C>N> B
Option d – O> C>N> B
Oxygen molecule exhibit
(A) Paramagnetism
(B) Diamagnetism
(C) Ferromagnetism
(D) Ferrimagnetism
Option a – Paramagnetism
A salt of sulfurous acid is called
(A) Sulphate
(B) Sulphurate
(C) Sulphite
(D) Sulphonate
Option c – Sulphite
Which of the following element does not show an oxidation state of +4?
(A) O
(B) S
(C) Se
(D) Te
Option a – O
The ozone layer is depleted by
(A) NO
(B) NO2
(C) N₂O5
(D) NO3
Option a – NO
In pyro sulfurous acid, the oxidation state of sulfur is
(A) Only +2
(B) Only +4
(C) +2 and +6
(D) Only +6
Option d – Only +6
Group 16 elements have a lower value of first ionization enthalpy as compared to group 15 elements because
(A) Half-filled p-orbitals in group 15 elements are more stable.
(B) Group 16 elements have a smaller size than Group 15 elements.
(C) Group 16 elements contain double bonds while Group 15 elements have triple bonds.
(D) Group 16 elements have more electrons in p-orbitals.
Option a – Half-filled p-orbitals in group 15 elements are more stable
The electron affinity of sulfur is
(A) More than O and Se
(B) More than O but less than Se
(C) Less than O but more than Se
(D) Equal to O and Se
Option a – More than O and Se
The minimum catenation ability is shown by
(A) Oxygen
(B) Sulphur
(C) Selenium
(D) Tellurium
Option d – Tellurium
All the elements of the oxygen family are
(A) Nonmetals
(B) Metalloids
(C) Radioactive
(D) Polymorphic
Option d – Polymorphic
When a slow dry stream of oxygen is passed through a silent electric discharge, the conversion of oxygen to ozone (10%) occurs. The product is known as P. Here P refers to
(A) Ozonized oxygen
(B) Diatomic oxygen
(C) Both ‘A’ and ‘B’
(D) Neither ‘A’ nor ‘B’
Option a – Ozonized oxygen
Pure ozone is pale blue …p…, dark blue ….Q…. and violet-black ….R…. Here P, Q, and R refer to
(A) P-solid, Q-liquid, R-gas
(B) P-gas, Q-liquid, R-liquid
(C) P-gas, Q-solid, R-liquid
(D) P-gas, Q-liquid, R-solid
Option d – P-gas, Q-liquid, R-solid
The physical properties of group 16 elements are : (I) Polonium is metal and radioactive. (II) All these elements exhibit allotropy. (III) With the increase in atomic number, the melting and boiling point increases down the group. The option with the correct set of properties is
(A) I and II
(B) II and III
(C) I and III
(D) I, II, and III
Option d – I, II, and III
Rhombic sulfur has a unit
(A) S4
(B) S6
(C) S2
(D) S8
Option d – S8
We covered all the inter 2nd year chemistry important questions above in this post for free so that you can practice well for the exam.
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