• • 8) Which of the following compounds is coloured ? D) All of the above. Among the given complexes K4[Fe(CN)6] has no unpaired electron as CN- being strong field ligand cause pairing of electron. When a solution of compound Y is treated with silver nitrate solution a white precipitate is obtained which is soluble in excess of ammonium hydroxide solution. Multiple choice questions. (a) A blackish brown solid ‘A’ when forced with alkali metal hydroxide in presence of air, produces a dark green coloured compound ‘B’, which on electrolytic oxidation in alkaline medium gives a dark purple coloured compound ‘C’. Cu(I) compounds are usually white or colourless compounds. Compound (B) on reaction with KC1 forms an orange coloured crystalline compound (C). Among the following, the coloured compound is A CuCl B K3[Cu(CN)4] C CuF2 D [Cu(CH3CN)4]BF4, what is the colour of sun in the sky please tell me, 44. b) K₃(Cu(CN)₄) is white colored compound. This site is using cookies under cookie policy. Identify the anion present in the following compounds : Compound X on heating with copper turnings and concentrated sulphuric acid liberates a reddish brown gas. Complete the table showing the ions and their colours. Among the following, the compound that is both paramagnetic and coloured is :- ... (A-Group IIA compound, C is a pungent odour, coloured and paramagnetic)A & E in the above reaction sequence are: 4:01 000+ LIKES. Share 2. Organic compounds tend to be colored when there is extensive conjugation, causing the energy gap between the HOMO and LUMO to decrease, bringing the absorption band from the UV to the visible region. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Create custom Assignments. For each question there is one correct answer. View Answer. 19.3k LIKES. Why? Hence do not show any colour. what is the total work done by the person? Please enable Cookies and reload the page. We know that complex compound having no unpaired electron is colourless. Among the following, the coloured compound is (a) CuCl (b) K3[Cu(CN)4] (c) CuF2 (d) [Cu(CH3CN)4]BF4 Check Answer and Solution for ab Chromium and manganese are among the transition elements that form several different oxides. The periodic table, physical constants and relative atomic masses needed for these problems are given on the inside covers of Chemistry, fourth edition by C.E. (assume g= 10 m/s 2). Solution: Ti 3+ is a d 1 ion, Fe 3+ ion is a d 5 ion and Co 2+ ion is a d 7 ion. When M n O 2 is fused with K O H, a coloured compound is formed, the product and its colour is. Thus, it is not coloured. Among the following, the coloured compound is A CuCl B K3[Cu(CN)4] C CuF2 D [Cu(CH3CN)4]BF4 1 See answer singhmarwaha9572 is waiting for your help. The compounds of copper of (a), (b) and (d) are having filled d orbitals. Add your answer and earn points. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Compound P and aluminium are used to join railway tracks. Among the following compounds which is both paramagnetic and coloured? Among the following, the compound that is both paramagnetic and coloured is Most commercial plastics are coloured on injection moulding machines, while most engineering plastics are already coloured when sold. Your IP: 88.202.230.116 5.4k SHARES. IIT JEE 2008: Among the following, the coloured compound is (A) CuCl (B) K3[Cu(CN)4] (C) CuF2 (D) [Cu(CH3CN)4]BF4 . In the series Sc (Z = 21) to Zn (Z = 30), the enthalpy of atomisation of zinc is the lowest. Conclusion: Correct … (ii) Manganese exhibits the highest oxidation state of +7 among the 3d series of transition elements. Among the following transition metal compounds which are coloured. …, ity e) Reaction with sodium bicarbonate.. are solved by group of students and teacher of Class 12, which is also the largest student community of Class 12. On heating blue coloured powder of Copper (II) Nitrate in a boiling tube, Copper Oxide (black), Oxygen gas and a brown gas X are formed. (AIIMS 2009) A) TiCl 3. Make a table of two columns headed 'Ion' and 'Colour'. You may need to download version 2.0 now from the Chrome Web Store. Answer : B Solution : N//A Related Video. View Answer. View Answer. Another way to prevent getting this page in the future is to use Privacy Pass. Pellets are the most common among them. (see Transition metal#Coloured compounds). Most Cu(II) compounds are coloured. Related Questions: Question 7. Which among the following C … The Questions and Answers of Among the following, the compound that is both paramagnetic and coloured, is [1996]a)KMnO4b)CuF2c)K4[Fe(CN)6]d)K2Cr2O7Correct answer is option 'B'. Parikshawale.com is a complete government exam preparation website that provides daily current affairs news, articles and free online tests for Banking, IAS, SSC, … You can specify conditions of storing and accessing cookies in your browser. Options (a) Na₂[CuCl₄] (b) Na₂[CdCl₄] (c) K₄[Fe(CN)₆] (d) K₃[Fe(CN)₆] Correct Answer: Na₂[CdCl₄] Explanation: No explanation available. The Questions and Answers of Which of the following compounds is expected to be coloured?a)Ag2SO4b)CuF2c)MgF2d)CuCl.Correct answer is option 'B'. Dear student, Please complete the table showing the ions and their colours ), ( b and. Of JEE filled d orbitals ( CN ) ₄ ) is white colored compound the oxidation number the... 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