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
Which of the following hydrides is the most acidic?
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