Description : For the reaction : `I^(-)+ClO_(3)^(-)+H_(2)SO_(4) to Cl^(-)+HSO_(4)^(-)+I_(2)` The correct statement(s) in the balanced equation is/are:
Last Answer : For the reaction : `I^(-)+ClO_(3)^(-)+H_(2)SO_(4) to Cl^(-)+HSO_(4)^(-)+I_(2)` The ... Sulphur is reduced. D. `H_(2)O` is one of the products.
Description : Which of the following anions are producing same gas on treatment with `(Zn+ " dil." H_(2)SO_(4))`. `I :SO_(3)^(2-) " " II : HSO_(3)^(-) " " III : S^(
Last Answer : Which of the following anions are producing same gas on treatment with `(Zn+ " dil." H_(2)SO_(4))`. `I : ... I, II, III and IV D. I, III and IV only
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 : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant increases. Reason :- Oxidant gains electron(s)
Last Answer : Assertion :- In a redox reaction, the oxidation number of the oxidant decreases while that of reductant ... D. If both Assertion & Reason are False.
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 : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives elemental sulphur. Reason: `SO_(2)` is a reducing agent.
Last Answer : Assertion: Reaction of `SO_(2)` and `H_(2)S` in the presence of `Fe_(2)O_(3)` catalyst gives ... is False. D. If both Assertion & Reason are False.
Description : Assertion:Among chalcogens, catenation tendency is maximum for sulphur Reason: S-S bond is stronger than O - O single bond.
Last Answer : Assertion:Among chalcogens, catenation tendency is maximum for sulphur Reason: S-S bond is stronger ... is not correct and Statement-II is correct
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 state of Hydrogen is `+1` in `H_(2)O` while `-1` in `CaH_(2)`. Reason :- `CaH_(2)` is a metal hydride and for metal hydrides, h
Last Answer : Assertion :- Oxidation state of Hydrogen is `+1` in `H_(2)O` while `-1` in `CaH_(2)`. ... Reason is False. D. If both Assertion & Reason are False.
Description : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- Fluorine cannot show positive oxidation state.
Last Answer : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- ... is False. D. If both Assertion & Reason are False.
Description : Assertion :- Oxidation number of Cr in `Cr(CO)_(6)` is zero. Reason :- Cr is a metal.
Last Answer : Assertion :- Oxidation number of Cr in `Cr(CO)_(6)` is zero. Reason :- Cr is a metal. A. ... Reason is False. D. If both Assertion & Reason are False.
Description : Assertion :- Oxidation number of `Cr` in `CrO_(3)` is `+6`. Reason :- In `CrO_(5)`, four oxygen atoms are involved in peroxide linkage.
Last Answer : Assertion :- Oxidation number of `Cr` in `CrO_(3)` is `+6`. Reason :- In `CrO_(5)`, four ... Reason is False. D. If both Assertion & Reason are False.
Description : Assertion :- In `HClO_(4)`, Chlorine has the oxidation number of `+4`. Reason :- `HClO_(4)` (perchloric) acid has two peroxide linkage.
Last Answer : Assertion :- In `HClO_(4)`, Chlorine has the oxidation number of `+4`. Reason :- `HClO_(4)` ( ... is False. D. If both Assertion & Reason are False.
Description : Assertion :- Oxidation number of `Ni` in `[Ni(CO)_(4)]` is zero. ltbr. Reason :- Nickel is bonded to neutral ligand, carbonyl.
Last Answer : Assertion :- Oxidation number of `Ni` in `[Ni(CO)_(4)]` is zero. ltbr. Reason :- Nickel is ... is False. D. If both Assertion & Reason are False.
Description : Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. Reason :- The oxidation number of Nitrogen remains sa
Last Answer : Assertion :- Nitrous acid `(HNO_(2))` may act as an oxidising agent as well as a reducing agent. ... False. D. If both Assertion & Reason are False.
Description : Assertion :- Oxidation number of carbon in `CH_(2)O` is zero. Reason :- `CH_(2)O` (formaldehyde) is a covalent compound.
Last Answer : Assertion :- Oxidation number of carbon in `CH_(2)O` is zero. Reason :- `CH_(2)O` (formaldehyde ... is False. D. If both Assertion & Reason are False.
Description : Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason :- One N atom is present in the ammonium ion while the ot
Last Answer : Assertion :- In `NH_(4)NO_(3)`, the oxidation number of the two N-atoms is not equal. Reason : ... is False. D. If both Assertion & Reason are False.
Description : Assertion:- Ionic compounds exhibits electrical conductivity in solution state. Reason :- In solution state electrons of ionic compounds are free.
Last Answer : Assertion:- Ionic compounds exhibits electrical conductivity in solution state. Reason :- In solution state ... . If both Assertion & Reason are false
Description : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.
Last Answer : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller ... is False. D. If both Assertion & Reason are false
Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_
Last Answer : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in ` ... D. Statement-I is not correct and Statement-II is correct
Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due
Last Answer : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_ ... Statement-I is not correct and Statement-II is correct
Description : Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other ... of A C. A is true but R is false D. A is false but R is true
Last Answer : ANS: A
Description : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy
Last Answer : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: ... but reason is wrong D. both are wrong
Description : Assertion : Organichlorine presticides are organic compounds that have been chlorinated. Reason:Fenitrothion is one of the organochlorine pesticides.
Last Answer : Assertion : Organichlorine presticides are organic compounds that have been chlorinated. Reason:Fenitrothion is ... reason is wrong D. Both are wrong
Description : Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason: These compounds lead to reduced visibility
Last Answer : Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason ... and Reason are false, then mark (4).
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 : Which of the following compounds are arranged in increasing oxidation number of S :-
Last Answer : Which of the following compounds are arranged in increasing oxidation number of S :- A. `H_(2)SO_(3),H_(2)S,H_(2 ... (2)O_(3),H_(2)SO_(3),H_(2)SO_(4)`
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 : Which adsorbent is used for removing sulphur compounds (S Q, H2S, RSH etc.) removal from coke oven gas in by-products recovery plant? (A) Silica gel (B) Diatomaceous earth (C) Basalt (D) Bog iron (i.e., moist ferric hydroxide)
Last Answer : (D) Bog iron (i.e., moist ferric hydroxide)
Description : Assertion :- `Zn(s)+Cu^(+2)(aq)rarr Zn^(+2)(aq)+Cu(s)` can be spilt into following half reactions `{:(Zn(s)rarrZn^(+2)+2e^(-),),(,"(Oxidation half rea
Last Answer : Assertion :- `Zn(s)+Cu^(+2)(aq)rarr Zn^(+2)(aq)+Cu(s)` can be spilt into following half ... Reason is False. D. If both Assertion & Reason are False.
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 : 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 : 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 : What is the oxidation number and covalency-of sulphur in S8? -Do You Know?
Last Answer : answer:
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 : 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 : What is the oxidation number and covalency-of sulphur in S8?
Last Answer : 0,2
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 can form dihalide, tetrahalide and hexahalide with fluorine. One mole of each of these three compounds is mixed with water. The total number o
Last Answer : Sulphur can form dihalide, tetrahalide and hexahalide with fluorine. One mole of each of these three ... is ____. If no reaction occurs, count zero
Description : Two elements which can form a large number of compounds are (1) Carbon and Hydrogen (2) Carbon and Nitrogen (3) Carbon and Oxygen (4) Carbon and Sulphur
Last Answer : (1) Carbon and Hydrogen Explanation: The carbon-hydrogen bond (C-H bond) is a bond between carbon and hydrogen atoms that can be found in many organic compounds. Compound classes ... bonds are alkanes, alkenes, alkynes, and aromatic hydrocarbons. Collectively they are known as hydrocarbons.
Description : Mercaptans are (A) Low boiling sulphur compounds (B) Added in LPG cylinders to detect gas leakage by its smell (C) Undesirable in petrol, as they reduce its octane number (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Last Answer : Carbon and Hydrogen
Description : Which is an element which never exhibits positive oxidation state in any of its compounds? -Do You Know?
Description : In which of the following compounds, nitrogen exhibits highest oxidation state ?
Last Answer : In which of the following compounds, nitrogen exhibits highest oxidation state ? A. `N_(3)H` B. `NH_(2)OH` C. `N_(2)H_(4)` D. `NH_(3)`
Description : In which of the following compounds iron has lowest oxidation state?
Last Answer : In which of the following compounds iron has lowest oxidation state? A. `FeSO_(4)(NH_(4))_(2)SO_(4).6H_(2)O` B. ... ` C. `Fe(CO)_(5)` D. `Fe_(0.94)O`
Description : Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen ?
Last Answer : Which ordering of compounds is according to the decreasing order of the oxidation state of nitrogen ? A. `HNO_(3), ... `NO, HNO_(3), NH_(4)Cl, N_(2)`
Description : Which of the following elements react with metals to form their binary compounds exhibiting `-3` oxidation state ?
Last Answer : Which of the following elements react with metals to form their binary compounds exhibiting `-3` oxidation state ? A. N B. P C. As D. Bi