Give the name of each of the following binary ionic compound: a. KCI \\b. K_2SO_4 2. 3. How many grams of O2 can be prepared from the decomposition of 4.50 g of KClO3? (ii) Fractional distillation. Important Chemistry Questions and Answer PDF.
How many litres of water vapour are produced when 27.3 g of NH_4NO_3 decomposes? a)The compound is ionic. (b) (i) Differentiate between a fine chemical and a heavy chemical. Typical questions about group theory in chemistry with solutions.
if your answer is yes, then you are in the right place. Calculate the amount of heat required to decompose 3.5 moles of sodium bicarbonate. 1-group.)
Briefly comment on any expected difference in spectroscopic activity between C35Cl, and C35C1,37CI. The number-average molecular weight of polypropylene is 1100000 g/mol. A thermal decomposition that produces oxygen begins with silver oxide: 2Ag2O(s) arrow 4Ag(s) + O2(g). Group theory questions and answers 1. If a mystery anion X is represented by X2-, what is the molecular formula of the salt it forms with potassium? Explain. a. MgCl2 b. CaCl2 c. CuSO4 d. Al2O3, Write the formula for each of the following ionic compounds. Explain. 25 cm^3 of a gas containing only nitrogen and oxygen decomposed to form 25 cm^3 of nitrogen and 50 cm^3 of oxygen. Select all that apply. Questions organised by topic with model answers for the CIE IGCSE Chemistry course 0971 / 0620. Sciences, Culinary Arts and Personal (Assume In charge is 3+.). How does HI(g) split up into H and I? d) copper (Il) ion, What is the correct name for Na3P? d) a physical blend of two or more elements. Given the reaction: HCOOH --> CO + H_2O a) This reaction, without a catalyst, is very slow at room temperature. SF_4 4. How many grams of hydrochloric acid are required to react completely with 4.30 g of zinc? The degree of purity of marble? P2O3, MnO2, Al2S3, SO3, NH3, SrI2, Cl2O5, FeCl2, BeH2.
What is the volume of oxygen gas at STP from the decomposition of 10.8 g of mercuric oxide? CS_2 5. Three states of matter, Intermolecular interactions, Role of gas laws in elucidating the concept of the molecule, Boyle’s law; Charle’s law, Gay Lussac’s law, Avogadro’s law, ideal behaviour, empirical derivation of gas equation, Avogadro’s number, Ideal gas equation, Liquefaction of gases, Critical temperature, Kinetic energy and molecular speeds, Liquid State – Vapour pressure, viscosity and surface tension. 4Na + O2 arrow 2Na2O b. (iii) List two substances which exhibit the phenomenon mentioned in (ii). (ii) To what group does Q belong in the periodic table. 2. When sample A of methane, CH_4, decomposes, it produces 35.0 grams of C and 2.04 grams of H. When sample B of CH_4 decomposes, it produces 23.0 grams of C. What mass of H is produced by sample B?
Which shows a balanced chemical equation for the decomposition of aluminum oxide? Bismuth(V) periodate 2. Unit 1 Some Basic Concepts of Chemistry How many moles of gases will be produced if we decompose 10 moles of the reactant in the following chemical equation? What mass, in grams, of zinc can react completely with 222 mL of 1.20 M HCl?
Mg_3N_2. Get help with your Inorganic chemistry homework. Predict the product(s) of the reaction that would take place and select one of the products. O ~[Mo(CO)5]2- O Mo(CO)6 O ~[Mn(CO)6]+.
According to the activity series, which of the following single replacement reactions will take place and result in a reaction? Give a reason for your answer. When Cu(OH)2 (s) is heated, copper(ll) oxide and water are formed.
If you have any queries regarding Karnataka State Board NCERT Syllabus 1st Year PUC Class 11 Chemistry Question Bank with Answers Pdf, drop a comment below and we will get back to you at the earliest. What is the correct name for FeCl_3? Tin(IV) dihydrogen phosphate. If 15 g of potassium trioxochlorate V is heated in MnO2, what is the mass of chloride produced?
2... Write the structure of the major organic product for the following reactions; if no reaction, write NR. Elements X and Y have electronic configuration 1S22S22P4 and 1S22S22P63S23P1 respectively. Identify each of the following reactions as synthesis, decomposition, single displacement, or double displacement.
Group 14 elements: General introduction, Electronic configurations, Occurrence, variation of properties, oxidation states, Trends in chemical reactivity, Anomalous behaviour of carbon, Physical and chemical properties: Some important compounds of carbon and silicon. WAEC usually picks questions from the previous years to form fresh questions. a. Group theory questions and answers - slideshare.net. It is produced by decomposing magnesite (MgCO_3 (s)) into at around 1200 degree C. (a)... Write the equation for the decomposition of water into its elements. Name the type of chemical reaction that occurs when aluminum (Al) reacts with copper nitrate (Cu(NO3)2).
How many moles of Pb(NO3 )2 must be added to precipitate all the bromide as insoluble PbBr2. a. P3- b. O2- c. Br-, Name the following compounds: a. NaOH b. Al(C2H3O2)3 c. Cr2(SO4)3 d. Na2CO3. General introduction and classification, Alkanes, Alkenes, Alkynes, Aromatic Hydrocarbons, Carcinogenicity and toxicity.
What mass of water, in grams, would have to be decomposed to produce 25.1 L of molecular oxygen at STP?
NaOH 2. Write a balanced chemical equation for the reaction below and classify the reaction. For the following molecule, give the cation name and symbol, anion name and symbol, type(s) of bond and name of the molecule. The decomposition of an unknown carbonate leads to a 35.1% weight loss. What are the reaction steps of the reaction between ferric chloride with hydrogen at 600 degrees C? (b) Single replacement reaction. Spell out the full name of the compound: BaS. This reaction is carried out in a flask connected to an open-end mercury manometer when the atmospheric pressure is 771 torr. In the expression, 3CaBr2, (a) 2 and 3 are subscripts (b) 2 and 3 are coefficients (c) 2 is a subscript and 3 is a coefficient (d) 3 is a subscript and 2 is a coefficient, The following reaction: potassium chlorate producing potassium chloride and oxygen, is an example of: (a) combination (b) decomposition (c) single-displacement (d) double-displacement, Give the name for the following compounds: CuBr, FeCO3, Na2S. (d) It de... How many moles of nitrogen are formed when 58.6 g of KNO3 decomposes according to the following reaction? specify primary reactants and the procedure number for each step. What is the formula for chromium (III) nitride and how do you get there? In word form, I wrote silver sulfite.
Unit 8 Redox Reactions Which of the following reactions will be spontaneous? Explain why the use of the stock system is not correct in this case and write the correct name of the substance.
(b) NH_4ClO_2. Draw a flowchart that outlines the procedure required to separate this mixture. c) copper (I) ion. What is the chemical name of the following compound \text{AuF}_2 ? a. Zn + CuSO4 b. Ca + MgSO4 c. Ag + SnSO4 d. K + Na2SO4. If so, then can HI collide with anything (H, I, the... Ionic compounds have names that: (choose all that apply) a. might contain Roman numerals b. might start with ammonium c. start with the name of an anion d. have prefixes, like di or penta e. start... Write the balanced chemical equation for the reaction that occurs when BaCl2 2H2O is heated. Write the formula for the compound. A 32.3-gram sample of impure potassium nitrate (KNO3) was heated to complete decomposition according to the equation: 2 KNO_3(s) \rightarrow 2 KNO_2(s) + O_2(g) After the reaction was complete, th... What will happen if a piece of silver metal is placed in a solution of zinc nitrate? Cation is Sn+2, Anion is SiO3^(-2). Predict the formula for the ionic compound when you combine: a. Cr+3 and chlorate Na+ b. carbonate K+ and sulfate. Which of the following single-displacement reactions will actually occur if the indicated reactants are mixed? Practise the application of symmetry and group theory in Chemistry Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. why or why not?
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