Description : Select the compound in which chlorine shows oxidation state + 7?
Last Answer : HClO4
Description : Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon
Last Answer : ANSWER: X -- COPPER
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 : 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 : Oxidation number of chlorine in perchloric acid is :-
Last Answer : Oxidation number of chlorine in perchloric acid is :- A. `+1` B. `+3` C. `+5` D. `+7`
Description : In which substance does chlorine have an oxidation number of plus 5?
Last Answer : Need answer
Description : What is the most likely oxidation state of Cl (chlorine)?
Last Answer : In one's initial studies of chemistry it is -1. However, don't forget that in chlorine itself the O.S. is zero.
Description : Bleaching action of chlorine is by - (1) Decomposition (2) hydrolysis (3) reduction (4) oxidation
Last Answer : (4) oxidation Explanation: Chlorine bleaches by the process of oxidation. It needs moisture for its bleaching action. Chlorine reacts with water to form hydrochloric and hypochlorous acids.
Description : Bleaching action of chlorine is by - (1) decomposition (2) hydrolysis (3) reduction (4) oxidation
Description : The reaction between methane and chlorine in diffused sunlight is-----? A. Oxidation B. Reduction C. Polymerisation D. Radical substitution (Answer)
Last Answer : D. Radical substitution (Answer)
Description : Bleaching action of chlorine is by----? A. Oxidation (Answer) B. Reduction C. Decomposition D. Hydrolysis
Last Answer : A. Oxidation (Answer)
Description : Which of the following statement(s) is (are) true for the given situation? Exposure of silver chloride to sunlight for a long duration turns grey due to (i) formation of silver by decomposition of silver chloride (ii) sublimation of ... (b) (ii), (i) and (iii) (c) (ii) and (iii) (d) (iv) only
Last Answer : (a) (i) only
Description : Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? (A) Oxidation of Na + ions (B) Oxidation of Cl - ions (C) Reduction of Na + ions (D) Reduction of Cl - ions
Last Answer : (B) Oxidation of Cl - ions
Description : 45. When Cl2 gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from (1) Zero to + 1 and zero to –3 (2) Zero to +1 and zero to –5 (3) Zero to –1 and zero to + 5 (4) Zero –1 and zero to + 3
Last Answer : Zero to –1 and zero to + 5
Description : The oxidation number of chlorine in KClO4 is: w) -1 x) +3 y) +7 z) +1
Last Answer : ANSWER: C -- +7
Description : Which of the following reactions involve NEITHER oxidation nor reduction? w) burning antimony in chlorine x) decomposition of potassium chlorate y) reaction of sodium with water z) reaction of potassium hydroxide with nitric acid
Last Answer : ANSWER: Z -- REACTION OF POTASSIUM HYDROXIDE WITH NITRIC ACID
Description : (a) Write electron dot diagram for chlorine (At No. 17) and calcium (At No. 20). Show the formation of calcium chloride by transfer of electrons. (b) Identify the nature of above compound’and explain three physical properties of such compound. -Chemistry
Last Answer : (b) It is ionic compound. Physical properties 1.It is hard and solid. 2.It has high melting and boiling point. 3.It soluble in water.
Description : 1. The ionic compound made from aluminum and chlorine has the formula AlCl3. Explain in detail why it is the correct formula?
Last Answer : ionic bonding
Description : What is the formula of the compound formed between Magnesium and Chlorine?
Last Answer : The ionic compound formed between magnesium and chlorine has theformula MgCl2.
Description : What compound is formed when iron and chlorine are combined?
Last Answer : Two iron chlorides are known: iron(II) chloride and iron(III)chloride, FeCl2 and FeCl3.
Description : What is the name of the compound when iron and chlorine are combined?
Last Answer : Two iron chlorides are known: iron(II) chloride and iron(III) chloride, FeCl2 and FeCl3.
Description : Are chlorine and lithium an ionic compound?
Last Answer : Lithium chloride is an ionic compound.
Description : What is a compound formed by combining iron and chlorine?
Last Answer : Iron chlorides are FeCl2 and FeCl3.
Description : What is the name of the compound that is formed when iron and chlorine are combined?
Description : When naming the compound containing lithium and chlorine, change the suffix of the anion's name to?
Last Answer : "ide" as in lithium chlorIDE
Description : The compound of chlorine used in the plastics?
Last Answer : Polyvinyl chloride (PVC
Description : The chlorine compound present in tear gas?
Last Answer : Benzyl Chloride
Description : The organic compound which contains chlorine?
Last Answer : DDT; BHC; Chloroform; Freon
Description : 0.3780g of organic chloro compound gave 0.5740g of silver chloride in carius estimation .Calculate the percentage of chlorine present in the compound.
Last Answer : % of chlorine = 35.5*mass of AgCl formed * 100/143.5 * mass of the substance = 35.5*0.5740*100/143.5*0.3780 = 19.6 %
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 : Iodine shows the highest oxidation state in the compound :-
Last Answer : Iodine shows the highest oxidation state in the compound :- A. `KI` B. `KI_(3)` C. `IF_(5)` D. `KIO_(4)`
Description : Match List - I (compound) with list - II (Oxidation state of N) and select the correct answer using the codes given below the list :- `{:(" List - I",
Last Answer : Match List - I (compound) with list - II (Oxidation state of N) and select the correct answer using the codes given below ... {:(A,B,C,D),(b,c,d,e):}`
Description : Select the compound in which the oxidation number of oxygen is `-1` :-
Last Answer : Select the compound in which the oxidation number of oxygen is `-1` :- A. `H_(2)O` B. `O_(2)F_(2)` C. `Na_(2)O` D. `BaO_(2)`
Description : A compound contains atoms A, B and C. The oxidation number A is `+2`, of B is `+5` and of C is `-2`. The possible formula of the compound is :
Last Answer : A compound contains atoms A, B and C. The oxidation number A is `+2`, of B is `+5` and of C is `-2`. The ... BC_(4))_(2)` D. `A_(3)(B_(4)C)_(2)`
Description : Compound (A) `C_(8)H_(9)Br`, gives a white precipitate when warmed with alcoholic `AgNO_(3)`. Oxidation of (A) gives an acid (B),`C_(8)H_(6)O_(4)`. (B
Last Answer : Compound (A) `C_(8)H_(9)Br`, gives a white precipitate when warmed with alcoholic `AgNO_(3)`. Oxidation of ... . Identify the compound (A) A. B. C. D.
Description : Consider a compound `CsXY_2` where X and Y are halogens. Which of the following statements is /are correct ? (i)X and Y have different oxidation state
Last Answer : Consider a compound `CsXY_2` where X and Y are halogens. Which of the following statements is /are correct ? (i)X ... ) C. Only (ii) D. (i) and (iii)
Description : An element `A` in a compound `ABD` has oxidation number `A^(n-)`. It is oxidised by `Cr_(2)O_(7)^(2-)` in acid medium. In the experiment `1.68xx10^(-3
Last Answer : An element `A` in a compound `ABD` has oxidation number `A^(n-)`. It is oxidised by `Cr_(2)O_(7)^(2-)` in acid ... is: A. 3 B. 3-n C. n-3 D. `+n`
Description : Sulphide ion reacts with `[Fe(CN)_(5)NO]` to form a purple coloured compound (X). In this reaction oxidation state of iron .
Last Answer : Sulphide ion reacts with `[Fe(CN)_(5)NO]` to form a purple coloured compound (X). In this reaction ... . changes from +2 to +4 D. does not change.
Description : Which of the following compound gives ethylmethyl ketone on oxidation ?
Last Answer : Which of the following compound gives ethylmethyl ketone on oxidation ? A. Propan-2-ol B. Butan-1-ol C. Butan-2-ol D. 2-methylbutan-2-ol
Description : A compound 'X' of the formula `C_(3)H_(8)O` gives iodoform test. On oxidation with acidified `K_(2)Cr_(2)O_(7)X` gave Y. Y also gives iodogorm test. T
Last Answer : A compound 'X' of the formula `C_(3)H_(8)O` gives iodoform test. On oxidation with acidified `K_(2)Cr_(2) ... ` D. `CH_(3)COCH_(3), CH_(3)CHOHCH_(3)`
Description : A compound reacts with sodium and liberates hydrogen and on oxidation gives ketone. The formula of the compound could be
Last Answer : A compound reacts with sodium and liberates hydrogen and on oxidation gives ketone. The formula of the compound could ... `CH_(3)CH_(2)CH_(2)CH_(2)OH`
Description : `XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :
Last Answer : `XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :
Description : Give the formula of a compound in which carbon exhibit an oxidation state of : A. +4 B. +2 C. -4
Last Answer : Give the formula of a compound in which carbon exhibit an oxidation state of : A. +4 B. +2 C. -4
Description : When Is the oxidation state of metal indicated in the name of the compound?
Last Answer : It is a method to distinguish different ions of a metal.
Description : A complex compound in which the oxidation number of a metal is zero is - (1) K4 [Fe (CN)6] (2) K3 [Fe (CN)6] (3) [Ni (CO)4] (4) [Pl (NH3)4]Cl2
Last Answer : (3) [Ni (CO)4]
Description : Which is the compound in that oxygen shows + 2 oxidation state?
Last Answer : F2O
Description : The oxidation state exhibited by hydrogen in its various compound ares------------------------
Last Answer : Ans: +1.-1 and Zero
Description : Which conditions are fulfilled in case of combustion? (a) Oxygen is reduced (b) Burning compound undergoes oxidation (c) Oxygen is reducing agent (d) Both (a) and (b)
Last Answer : (d) Both (a) and (b)
Description : An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (B) could be (a) a carbonyl compound (b) an alcohol (c) a carboxylic acid (d) an ether
Last Answer : a carbonyl compound