Compound of sulphur that has linkage among the following is:
1.
2.
3.
4.
Match the compounds of Xe in column I with the molecular structure in column II.
Column-I | Column-II |
(a) XeF2 | (i) Square planar |
(b) XeF4 | (ii) Linear |
(c) XeO3 | (iii) Square pyramidal |
(d) XeOF4 | (iv) Pyramidal |
(a) | (b) | (c) | (d) | |
1. | (ii) | (i) | (iii) | (iv) |
2. | (ii) | (iv) | (iii) | (i) |
3. | (ii) | (iii) | (i) | (iv) |
4. | (ii) | (i) | (iv) | (iii) |
Identify the correct formula of 'oleum' from the following
1. H2S2O7
2. H2SO3
3. H2SO4
4. H2S2O8
Among the following oxoacids of phosphorus ,the strongest reducing property is for:
1. H4P2O7
2. H3PO3
3. H3PO2
4. H3PO4
A compound "X", upon reaction with H2O, produces a colourless gas "Y" with a rotten fish smell. Gas 'Y' is absorbed in a solution of CuSO4 to give Cu3P2 as one of the products. The compound 'X' will be:
1. Ca3P2
2.
3.
4. Ca3(PO4)2
The given sequence among the following arrangements that is not strictly according to the property indicated against it.
1. | \(\small{i n c r e a sin g \ p K_{a}\ v a l u e s}\) | H2O < H2S < H2Se < H2Te :
2. | \(\small{N H_{3} < P H_{3} < A s H_{3} < S b H_{3} : i n c r e a sin g \ a c i d i c \ c h a r a c t e r}\) |
3. | \(\small{C O_{} < S i O_{} < S n O_{} < P b O_{2} : i n c r e a sin g \ o x i d i sin g \ p o w e r} \) |
4. | \(\small{H F < H C l < H B r < H I : i n c r e a sin g \ a c i d i c \ s t r e n g t h} \) |
Match List-I (substances) with List-II (processes) employed in the manufacture of the substances and select the correct option.
List –I (Substances) | List – II (Processes) |
(a) Sulphuric acid | (i) Haber's Process |
(b) Steel | (ii) Bessemer's Process |
(c) Sodium carbonate | (iii) Leblanc Process |
(d) Ammonia | (iv) Contact Process |
Options : | (a) | (b) | (c) | (d) |
1. | (i) | (ii) | (iii) | (iv) |
2. | (iv) | (iii) | (ii) | (i) |
3. | (iv) | (ii) | (iii) | (i) |
4. | (i) | (iv) | (ii) | (iii) |
Wrong statement among the following is:
1. Bond energy of F2 > Cl2
2. Electronegativity of F > Cl
3. F is more oxidizing than Cl
4. Electron affinity of Cl > F
From the given options, the compound that has a planar structure is:
1. XeF4
2. XeOF2
3. XeO2F2
4. XeO4
Oxidation number of P in pyrophosphoric acid is:
1. +5
2. +2
3. +3
4. +4