The linear structure is possessed by :
(1) SnCl2SnCl2
(2) NCO-NCO−
(3) NO2+NO2+
(4) CS2CS2
Cis-butene dioic acid Ka1{-H+}⇌X-1Ka2{-H+}⇌X2-2Ka1{−H+}⇌X−1Ka2{−H+}⇌X2−2
Trans-butene dioic acid Ka1'{-H+}⇌Y-1Ka2·{-H+}⇌Y2-2Ka1'{−H+}⇌Y−1Ka2⋅{−H+}⇌Y2−2
The incorrect statement regarding above the information is:
(1) X2-2X2−2 species is more basic than Y2-2Y2−2 species
(2) X-1X−1 species is more basic than Y-1Y−1 species
(3) Ka1Ka1 is greater than K'a2K'a2
(4) K'a2K'a2 is greater than K'a2K'a2
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.
A compound having a metal-to-metal bond is:
1. Cupric chloride
2. Stannous chloride
3. Mercurous chloride
4. Mercuric chloride
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 |
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. |
The species showing pπpπ-dπdπ overlapping is :
1. NO3-NO3−
2. PO43-PO43−
3. CO32-CO32−
4. NO2-NO2−
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
The number of antibonding electrons pairs in O22-O22− on the basis of MO theory are:
(1) 4
(2) 3
(3) 2
(4) 5
If CdI2CdI2 is pink in colour, the CdCl2CdCl2 will be '.............' coloured.
(1) yellow
(2) red
(3) blue
(4) cannot be predicted