Which of the following statements is false?
1. ONCl and are isoelectronic.
2. molecule is bent
3. Ozone is violet-black in solid-state
4. Ozone is diamagnetic gas
Element/s that form pπ - pπ multiple bonds with themselves, as well as with carbon and oxygen are:
1. P, As
2. N, As
3. N, P
4. N
Nitrogen gas is liberated by the thermal decomposition of:
1.
2.
3.
4. All of the above.
Which of the following statements about the subsequent reactions is false?
\(XeF_6 + H_2O \text{(excess)} \longrightarrow\ 'X' + HF \)
\(XeF_6 + 2H_2O \longrightarrow\ 'Y' + HF \)
1. 'X' is explosive
2. 'Y' is an oxyacid of xenon
3. Both are example of non-redox reaction
4. can undergo partial hydrolysis
Which of the following compound does not exist?
1. XeOF4
2. NeF2
3. XeF2
4. XeF6
1. | H2Te | 2. | H2Se |
3. | H2O | 4. | H2S |
P forms multiple bonds in POCl3 by using
1.
2.
3.
4. None of the above.
Which of the following statements about phosphorus is false?
1. It is non-metal.
2. It exists as a tetrahedral molecular solid.
3. It is less reactive than nitrogen.
4. P-P bond is much weaker than bond.
The basicity of the acids H3PO2, H3PO3, H3PO4 and H4P2O7 are, respectively:
1. 1 , 2 , 3 , 7
2. 2 , 3 , 4 , 7
3. 1 , 2 , 3 , 4
4. 1 , 2 , 3 , 5
Which of the following acids is the strongest?
1. H3PO2
2. H3PO3
3. H4P2O7
4. H3PO4