1. | Phosphinic acid is a monoprotic acid while phosphonic acid is a diprotic acid |
2. | Phosphinic acid is a diprotic acid while phosphonic acid is a monoprotic acid |
3. | Both are triprotic acids |
4. | Both are diprotic acids |
Match the compounds given in Column I with the shape given in Column II and mark the correct option.
Column I | Column II | ||
A. | XeF6 | 1. | Distorted octahedral |
B. | XeO3 | 2. | Square planar |
C. | XeOF4 | 3. | Pyramidal |
D. | XeF4 | 4. | Square pyramidal |
1. | A-1, B-2, C-4, D-3 | 2. | A-4, B-3, C-1, D-2 |
3. | A-4, B-1, C-2, D-3 | 4. | A-1, B-3, C-4, D-2 |
In the structure of ClF3, the number of lone pairs of electrons on central atom 'Cl' is:
1. 1
2. 2
3. 3
4. 4
Which of the following reactions does not exhibit the oxidising behaviour of H2SO4?
1. Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O
2. 3S + 2H2SO4 → 3SO2 + 2H2O
3. C + 2H2SO4 → CO2 + 2SO2 + 2H2O
4. CaF2 + H2SO4 → CaSO4 + 2HF
In which pair of ions both the species contain S-S bond?
1.
2.
3.
4.
Choose the pairs of isoelectronic compounds which are isostructural:
1. TeF2, XeF2
2. IBr2-, XeF2
3. IF3, XeF2
4. BeCl2, XeF2
Column-I | Column-II | ||
(A) | XX’ | (i) | T-shape |
(B) | XX’3 | (ii) | Pentagonal bipyramidal |
(C) | XX’5 | (iii) | Linear |
(D) | XX’7 | (iv) | Square Pyramidal |
(A) | (B) | (C) | (D) | |
1. | (iii) | (i) | (iv) | (ii) |
2. | (i) | (iv) | (iii) | (ii) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (iii) | (iv) | (i) | (ii) |
The product obtained as a result of a reaction of nitrogen with CaC2 is:
1. CaCN
2. CaCN3
3. Ca2CN
4. CaCN2
The correct statement about given acids is:
1. | Phosphinic acid is a monoprotic acid while phosphonic acid is a diprotic acid. |
2. | Phosphinic acid is a diprotic acid while phosphonic acid is a monoprotic acid. |
3. | Both are triprotic acids. |
4. | Both are diprotic acids. |