An element whose IUPAC name is ununtrium(Uut) belong to:

(1) s-block element                               

(2) p-block element

(3) d-block element                               

(4) Transition element

Subtopic:  Modern Periodic Table & Periodicity |
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Consider the following electronic configuration of an element (P) :

Xe4f145d16s2

Then correct statement about element 'P' is :

(1) It belongs to 6th period and the 1st group

(2) It belongs to 6th period and the 2nd group

(3) It belongs to 6th period and the 3rd group

(4) none of these 

Subtopic:  Electronic Configuration |
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Consider the following information about element P and Q :

                        Period number            Group number

P                               2                                 15

Q                               3                                 2

Then formula of the compound formed by P and Q element is :

(1) PQ         

(2) P3Q2           

(3) P2Q3           

(4)PQ2

Subtopic:  Nature of Compound |
 74%
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Which of the following properties of the alkaline earth metals increase from Be to Ba?

(i) Atomic radius        (ii) Ionisation energy        (iii) Nuclear charge

(1) (i) and (ii)                                 

(2) (i) and (iii)

(3) (ii) and (iii)                               

(4) (i), (ii) and (iii)

Subtopic:  Atomic Size |
 82%
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Aqueous solutions of two compounds M1-O-H and M2-O-H are prepared in two different beakers. If, the electronegativity of M1=3.4 , M2=1.2, O=3.5 and H=2.1, then the nature of two solutions will be respectively:

(a) acidic, basic             (b) acidic, acidic

(c) basic, acidic             (d) basic, basic

Subtopic:  Electronegativity |
 65%
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The process requiring the absorption of energy is:

1. FF-

2. HH-

3. ClCl-

4. OO2-

Subtopic:  Electron Affinity (EA) |
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Which of the following sequences accurately represents the correct order?

1. F>N>C>Si>Ga - non-metallic character.

2. F>O>Cl >N - oxidising property.

3. C<Si>P>N - electron affinity value.

4. All of the above.

Subtopic:  Nature of Compound |
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Which of the following statements is not correct?

1.  The first ionization energy generally decreases from top to bottom within a group

2.  The atomic radius generally increases from top to bottom within a group

3.  The first ionization energy generally decreases from left to right across a period

4.  The second ionization energy of an atom is always greater than the first ionization energy

Subtopic:  Ionization Energy (IE) |
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What is the general trend observed for the first ionization energies of the elements in groups 13to 17?

1.  Ionization energies tend to increase from left to right in a period and are approximately constant in a group

2.  Ionization energies tend to increase from left to right in a period and decrease from top to bottom in a group

3.  Ionization energies tend to decrease from left to right in a period and increase from top to bottom in a group

4.  Ionization energies tend to decrease from left to right a period and decrease from top to bottom in a group

Subtopic:  Ionization Energy (IE) |
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Which of the following pairs of substances are allotropes?

1.  CH3CH2OH and CH3OCH3

2.  FeNO32 and FeNO33

3.  NaCl and KCl

4.  O2 and O3 

Subtopic:  Nature of Compound |
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