The linear structure is possessed by :

(1) SnCl2

(2) NCO-

(3) NO2+

(4) CS2

 

Subtopic:  Hybridisation |
 52%
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Cis-butene dioic acid Ka1{-H+}X-1Ka2{-H+}X22-

Trans-butene dioic acid Ka1'{-H+}Y-1Ka2·{-H+}Y22-

The incorrect statement regarding above the information is:

(1) X22- species is more basic than Y22- species 

(2) X1- species is more basic than Y1- species

(3) Ka1 is greater than K'a2 

(4) K'a2 is greater than K'a2

Subtopic:  Acidic, Basic Character & Fajan's Rule |
 51%
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In which of the following compounds octet is complete and incomplete for all atoms:

         Al2Cl6      Al2CH36       AlF3      Dimer of BeCl2     Dimer of BeH2

(1)      IC               IC                   IC                     C                         C

(2)      C                IC                   IC                     C                         IC

(3)      C                IC                    C                     IC                        IC

(4)      IC                C                    IC                    IC                        IC

where C denotes Complete and IC incomplete.

Subtopic:  Covalent Bond |
From NCERT
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A compound having a metal-to-metal bond is:

1. Cupric chloride           

2. Stannous chloride

3. Mercurous chloride     

4. Mercuric chloride

Subtopic:  Types of Chemical Bond |
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Which of the following pair of elements can form an ionic compound?

1. \(\mathrm{Na}\) and \(\mathrm{Ca}\) 2. \(\mathrm{K}\) and \(O_2\)
3. \(O_2\) and \(Cl_2\) 4. \(Al\) and \(I_2\)
Subtopic:  Ionic Bond |
 60%
From NCERT
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The type of molecular forces of attraction present in the following compound is:

1. Intermolecular H-bonding. 2. Intramolecular H-bonding.
3. Van der Waal's force. 4. All of the above.
 

Subtopic:  van der Waal Force & Hydrogen Bonding |
 65%
From NCERT
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The species showing pπ-dπ  overlapping is :

1. NO3-

2. PO43-

3. CO32-

4. NO2-

Subtopic:  Covalent Bond |
 85%
From NCERT
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Which of the following interaction lies in the range of 8 - 42 kJ/mol?

1. H2...H2O                               

2. HCl...HCI

3. H2O...HF                                 

4. all

Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
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The number of antibonding electrons pairs in O22- on the basis of MO theory are:

(1) 4

(2) 3

(3) 2

(4) 5

 

Subtopic:  M.O.T |
 73%
From NCERT
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If CdI2 is pink in colour, the CdCl2 will be '.............' coloured.

(1) yellow         

(2) red                 

(3) blue                   

(4) cannot be predicted

Subtopic:  Types of Chemical Bond |
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