In which of the following compounds BF bond length is shortest ?
(a) (b)
(c) (d)
In terms of polar character which of the following order is correct?
1.
2.
3.
4.
The correct order of boiling point among the following is:
1.
2. n-pentane<neo pentane
3. Xe < Ar < He
4. m-nitrophenol > o-nitrophenol
The correct order of 'SO' bond length is:
1. | \(\mathrm{SO}_3^{2-}>\mathrm{SO}_4^{2-}>\mathrm{SO}_3>\mathrm{SO}_2 \) |
2. | \(\mathrm{SO}_3^{2-}>\mathrm{SO}_4^{2-}>\mathrm{SO}_2>\mathrm{SO}_3 \) |
3. | \(\mathrm{SO}_4^{2-}>\mathrm{SO}_3^{2-}>\mathrm{SO}_2>\mathrm{SO}_3 \) |
4. | \(\mathrm{SO}_4^{2-}>\mathrm{SO}_3^{2-}>\mathrm{SO}_3>\mathrm{SO}_2\) |
In which of the following compounds octet is complete and incomplete for all atoms:
\(Al_2Cl_{6}\) \(Al_{2} \left(CH_{3}\right)_{6}\) \(AlF_{3}\) Dimer of \(BeCl_{2}\) Dimer of \(BeH_{2}\)
(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 is not best representation of the H-bond?
(1)
(2)
(3)
4. None of the above
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 \(I_2\) |
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. |