exists but does not because:
1. Nitrogen has no vacant d-subshells .
2. is unstable .
3. Nitrogen atom is much smaller than p .
4. Nitrogen is highly inert .
The correct order of acidic strength is :
1.
2.
3.
4.
Which is the least polarizable gas among the following?
1. | He | 2. | Ne |
3. | Kr | 4. | Xe |
OO bond length ( ) in and is respectively:
1. | 1.22 , 1.48 | 2. | 1.48 , 1.22 |
3. | 1.22 , 1.22 | 4. | 1.48 , 1.48 |
The correct statement about hydrolysis of and is-
1. is hydrolysed and gives but is not hydrolysed
2. Both and on hydrolysis gives
3. on hydrolysis gives but gives
4. Both and on hydrolysis gives
The correct order of solubility in an aqueous medium is:
1. CuS > ZnS > Na2S
2. ZnS > Na2S > CuS
3. Na2S > CuS > ZnS
4. Na2S > ZnS > CuS