The linear structure is possessed by :

(1) SnCl2SnCl2

(2) NCO-NCO

(3) NO2+NO2+

(4) CS2CS2

 

Subtopic:  Hybridisation |
 53%
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Cis-butene dioic acid Ka1{-H+}X-1Ka2{-H+}X2-2Ka1{H+}X1Ka2{H+}X22

Trans-butene dioic acid Ka1'{-H+}Y-1Ka2·{-H+}Y2-2Ka1'{H+}Y1Ka2{H+}Y22

The incorrect statement regarding above the information is:

(1) X2-2X22 species is more basic than Y2-2Y22 species 

(2) X-1X1 species is more basic than Y-1Y1 species

(3) Ka1Ka1 is greater than K'a2K'a2 

(4) K'a2K'a2 is greater than K'a2K'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:

         Al2Cl6Al2Cl6      Al2(CH3)6Al2(CH3)6      AlF3AlF3         Dimer of BeCl2BeCl2  Dimer of BeH2BeH2

(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 |
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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. NaNa and CaCa 2. KK and O2O2
3. O2O2 and Cl2Cl2 4. AlAl and I2I2
Subtopic:  Ionic Bond |
 61%
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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 |
 66%
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The species showing pπpπ-dπdπ  overlapping is :

1. NO3-NO3

2. PO43-PO43

3. CO32-CO32

4. NO2-NO2

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

1. H2...H2OH2...H2O                               

2. HCl...HCI

3. H2OH2O...HF                                 

4. all

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

(1) 4

(2) 3

(3) 2

(4) 5

 

Subtopic:  M.O.T |
 73%
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If CdI2CdI2 is pink in colour, the CdCl2CdCl2 will be '.............' coloured.

(1) yellow         

(2) red                 

(3) blue                   

(4) cannot be predicted

Subtopic:  Types of Chemical Bond |
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