Description : The oxidation states of sulphur in the anions `SO_(3)^(2-), S_(2)O_(4)^(2-)`, and `S_(2)O_(6)^(2-)` follow the order
Last Answer : The oxidation states of sulphur in the anions `SO_(3)^(2-), S_(2)O_(4)^(2-)`, and `S_(2)O_(6)^(2-)` follow ... (6)^(2-)ltS_(2)O_(4)^(2-)ltSO_(3)^(2-)`
Description : The oxoacid of sulphur which contains two sulphur atoms in different oxidation states
Last Answer : The oxoacid of sulphur which contains two sulphur atoms in different oxidation states A. ... acid C. pyrosulphuric acid D. persulphuric acid
Description : What is the oxidation number and covalency-of sulphur in S8? -Do You Know?
Last Answer : answer:
Description : Asserton :- The formal oxidation no. of sulphur in `Na_(2)S_(4)O_(6)` is `2.5` Reason :- Two S-atoms are not directly linked with O-atoms.
Last Answer : Asserton :- The formal oxidation no. of sulphur in `Na_(2)S_(4)O_(6)` is `2.5` Reason :- ... Reason is False. D. If both Assertion & Reason are False.
Description : Assertion :- Oxidation number of `S` in `HSO_(3)^(-)` is `+4`. Reason :- Sulphur is in different oxidation state in different compounds.
Last Answer : Assertion :- Oxidation number of `S` in `HSO_(3)^(-)` is `+4`. Reason :- Sulphur is in ... Reason is False. D. If both Assertion & Reason are False.
Description : STATEMENT-1 : `H_(2)SO_(4)` can not act as reducing agent. STATEMENT-2 : Sulphur can not increase its oxidation number beyond `+6`.
Last Answer : STATEMENT-1 : `H_(2)SO_(4)` can not act as reducing agent. STATEMENT-2 : Sulphur can not increase ... False. D. If both Assertion & Reason are False.
Description : The oxidation number of sulphur in `H_(2)S_(2)O_(8)` is:
Last Answer : The oxidation number of sulphur in `H_(2)S_(2)O_(8)` is: A. `+2` B. `+6` C. `+7` D. `+12`
Description : Oxidation number of sulphur in `Na_(2)S_(2)O_(3)` is
Last Answer : Oxidation number of sulphur in `Na_(2)S_(2)O_(3)` is A. `+2` B. `+4` C. `-2` D. 0
Description : Sulphur having same oxidation state is:
Last Answer : Sulphur having same oxidation state is: A. `H_(2)S_(2)O_(8)` B. `H_(2)S_(2)O_(7)` C. `H_(2)SO_(5)` D. `H_(2)S_(2)O_(5)`
Description : An oxyacid of sulphur contained S = S linkage and the oxidation number of S in it is `+6` and `-2`. It belongs to
Last Answer : An oxyacid of sulphur contained S = S linkage and the oxidation number of S in it is `+6` and ... ic"` series C. peroxo series D. thionic acid series
Description : The correct set of oxidation numbers of sulphur atoms in `H_(2)S_(2)O_(3)` is/are:
Last Answer : The correct set of oxidation numbers of sulphur atoms in `H_(2)S_(2)O_(3)` is/are: A. `+6,-2` B. `+4,-2` C. `+2,+4` D. `+5,-1`
Description : The oxidation number of sulphur in `Na_(2)S_(4)O_(6)` is
Last Answer : The oxidation number of sulphur in `Na_(2)S_(4)O_(6)` is A. `-2.5` B. `+2.5` C. `-10` D. `+10`
Description : The oxidation state of sulphur in its octahedral halide is
Last Answer : The oxidation state of sulphur in its octahedral halide is A. `+4` B. `+6` C. `+5` D. `+2`
Description : In which one of the following compounds does sulphur have the least oxidation number
Last Answer : In which one of the following compounds does sulphur have the least oxidation number A. `SO_(2)` B. `H_(2)SO_(4)` ... (2)O_(3)` D. `Na_(2)S_(4)O_(6)`
Description : What is the formula of Hypo in Oxidation state of sulphur ?
Last Answer : The formula of Sodium Thio Sulphate is Na2S2O3. H2O is called as hypo Oxidation state of Sulphur in it is +6 0r -2
Description : Sulphur dioxide bleaches colouring matter by – (1) Reduction (2) Dehydration (3) Decomposition (4) Oxidation
Last Answer : (1) Reduction Explanation: Sulphur dioxide gas exhibits bleaching properties in presence of moisture. It dissolves in water liberating nascent hydrogen. Nascent hydrogen removes oxygen atoms from the colouring matter (reduces colouring matter) and it loses its colour.
Description : What is the oxidation number and covalency-of sulphur in S8?
Last Answer : 0,2
Description : Gum formation in stored gasoline is mainly due to the (A) Alkylation of unsaturated (B) Presence of sulphur (C) Oxidation & polymerisation of unsaturated (D) Higher aromatic content
Last Answer : (B) Presence of sulphur
Description : Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to (A) Increase its smoke point (B) Improve its oxidation stability (C) Decrease the breathing loss (D) None of these
Last Answer : (B) Improve its oxidation stability
Description : The purpose of controlling the furnace atmosphere is to prevent surface attack by (A) Oxidation/scaling (B) Decarburising (C) Sulphur penetration (D) Either of the above
Last Answer : (D) Either of the above
Description : An example of autothermal reactor operation is (A) Sulphur dioxide oxidation (B) Ethylene oxidation (C) Benzene oxidation (D) Ammonia synthesis
Last Answer : (B) Ethylene oxidation
Description : With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide (A) Increases (B) Increases linearly (C) Decreases (D) Decreases linearly
Last Answer : (C) Decreases
Description : The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is (A) Alumina (B) Silica gel (C) Platinum (D) Nickel
Last Answer : (A) Alumina
Description : Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils (A) Cause cholesterol build up and blood clotting (B) Are prone to rancid oxidation (C ... (as their complete removal is very difficult) (D) Have affinity to retain harmful sulphur compounds
Last Answer : (A) Cause cholesterol build up and blood clotting
Description : 1. What is the range of Prithvi III, the naval version of Prithvi ? 2. What is the oxidation number and covalency-of sulphur in S8? 3. What is the life of RBC in human blood? 4. ... What is the approximate diameter of the earth? 20. Which is the source of information about early Vedic period?
Last Answer : Answer : 1. 250 km-300 km 2. 0, 2 3. 120 days 4. Chlorofluorocarbons 5. Tai Tsung 6. Consolidated Fund of India 7. Increase in prices 8. Trishul 9. Ecotone 10. Anantvarman 11. Real, inverted and magnified ... dark plain on the moon 15. Lion 16. May 1 17. Money 18. Poison 19. 12,800 Km 20. Rigveda
Description : Sulphur dioxide bleaches colouring matter by : (1) Reduction (2) Dehydration (3) Decomposition (4) Oxidation
Last Answer : Reduction
Description : Two oxidation states for chlorine are found in the compound :
Last Answer : Two oxidation states for chlorine are found in the compound : A. `CaOCl_(2)` B. `KCl` C. `KClO_(3)` D. `Cl_(2)O_(7)`
Description : Which element of group V A shows maximum oxidation states ?
Last Answer : Which element of group V A shows maximum oxidation states ? A. bismuth B. phosphorus C. nitrogen D. arsenic
Description : What is the sum of highest and lowest oxidation states for oxygen family
Last Answer : What is the sum of highest and lowest oxidation states for oxygen family
Description : Fluorine has -1 oxidation state while iodine exhibits oxidation states of -1, +1, +3 ,+5 and +7. This is due to
Last Answer : Fluorine has -1 oxidation state while iodine exhibits oxidation states of -1, +1, +3 ,+5 and ... availability of d-orbitals in iodine D. none of above
Description : Metal carbonyls have the metal ions in zero or unusually lower oxidation states. This is because :
Last Answer : Metal carbonyls have the metal ions in zero or unusually lower oxidation states. This is because : A. ... . D. carbonyl is a strongly p-acidic ligand.
Description : The compound in which nickel has the lower oxidation states is :
Last Answer : The compound in which nickel has the lower oxidation states is : A. `Ni(CO)_(4)` B. `(CH_(3)COO)_(2)Ni` C. `NiO` D. `NiCl_(2)(PPh_(3))_(2)`
Description : Statement `N` atom has two different oxidation states in `NH_(4)NO_(2)`. Explanation One `N` atom has-`ve` oxidation number as it is attached with les
Last Answer : Statement `N` atom has two different oxidation states in `NH_(4)NO_(2)`. Explanation One `N` atom has-`ve` ... C. I, II and III D. I, II and IV
Description : Fluorine does not exhibit variable oxidation states due to
Last Answer : Fluorine does not exhibit variable oxidation states due to A. small size B. more electronegativity C. less density D. lack of vacent d orbitals
Description : Oxygen exhibits its `+ve` oxidation states in its
Last Answer : Oxygen exhibits its `+ve` oxidation states in its A. Fluorides B. Chlorides C. Nitrides D. Sulphides
Description : What are the oxidation states of the atoms in diatomic gas?
Last Answer : the oxidation states are always 0 for both atoms
Description : Nitrogen forms a variety of compounds in all oxidation states ranging from - (1) -3 to + 5 (2) -3 to +3 (3) -3 to + 4 (4) -3 to +6
Last Answer : (1) -3 to + 5 Explanation: Nitrogen compounds are chemical compounds containing nitrogen ions. Nitrogen forms compounds with a wide range of oxidation states that range from -3 for the ... oxidation state compounds are strong oxidizing agents. -3 oxidation state compounds are weak reducing agents.
Description : Which element does not show variable oxidation states?
Last Answer : Zinc
Description : What is/are oxidation states of gallium? Give its reason also.
Last Answer : Ans:+1 and +3 ,due to inert pair effect
Description : The catalytic activity of transition metals and their compounds is ascribed mainly to (1) their chemical reactivity (2) their magnetic behaviour (3) their unfilled d-orbitals (4) their ability to adopt variable oxidation states
Last Answer : (4) their ability to adopt variable oxidation states
Description : Nitrogen forms a variety of compounds in all oxidation states ranging from (1) –3 to + 5 (2) –3 to + 3 (3) –3 to + 4 (4) –3 to + 6
Last Answer : –3 to + 5