HARD
UPSC CAPF AC Paper - I
IMPORTANT
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A body is charged negatively. It implies that

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Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT

Which of the following are the properties of an electron?

1. Electron is a constituent of cathode ray.

2. Electron is a negatively charged particle.

3. The mass of the electron is equal to the mass of the proton.

4. Electron is deflected by the electric field but not by the magnetic field.

Select the correct answer using the codes given below.

HARD
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following is the correct configuration for Fe3+ (Z = 26)?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
In which one of the following is the valence electronic configuration, ns2 np3 found?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Which of the following is the correct statement about proton?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
Propagation of light quanta may be described by
HARD
UPSC CAPF AC Paper - I
IMPORTANT
P-orbitals in a given shell can accommodate up to?
HARD
UPSC CAPF AC Paper - I
IMPORTANT

Match the principle in Column I withdiscoverer in Column II.
List I                                        List II
(Principle)                               (Discoverer)

A. Exclusion                         1. Hund

B. Multiplicity rule               2. Heisenberg

C. Uncertainty principle       3. Planck 

D. Quantum theory              4. Pauli

Select the correct answer using the codes given below the columns.

HARD
UPSC CAPF AC Paper - I
IMPORTANT
Which one of the following is the electronic configuration of the bivalent calcium Ca2+?