(b) test the presence of dust particles Partial hydrolysis of XeF4 gives D) HF. (b) lack of d-orbitals. (c) H2O > H2Te > H2Se > H2S Copyright © 2020 Pathfinder Publishing Pvt Ltd. HI is the strongest reducing agent since it can easily release H ions as we go down a group the bond energy decreases and also there is a difference in there atomic size. (a) its smaller size and high electronegativity. Use periodic trends to rank the hydrohalic acids in order of strength. 8. (d) non polarizable, 10. This site is using cookies under cookie policy. Trending Questions. Students can solve NCERT Class 12 Chemistry The p-Block Elements MCQs Pdf with Answers to know their preparation level. They. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. (ii) H 2 O, H 2 S, H 2 Se, H 2 Te- increasing acidic character. Still have questions? Which of the following has greatest reducing power? 14 The increasing order of reducing power of the halogen acids is . (a) incombustible Answer. 1. (a) O2 and Xe have different sizes. The formation of O2+ [PtF6]– is the basis for the formation of first xenon compound. We hope the given Chemistry MCQs for Class 12 with Answers Chapter 7 The p-Block Elements will help you. The reducing character of the hydrides increases down the group. C HI < HBr < HCl < HF. You can change your choices at any time by visiting Your Privacy Controls. HI (strongest), HBr, HCl, HF (weakest) Acid strength depends on the readiness for it to dissociate in water. List of Hospitality & Tourism Colleges in India, Top Medical Colleges in India accepting NEET Score, MHCET Law ( 5 Year L.L.B) College Predictor, List of Media & Journalism Colleges in India, B. Which of the following has greatest reducing power? Get your answers by asking now. (c) filter dust particles (b) H2O > H2S > H2Se > H2Te The oxoacid of phosphorus that reduces silver nitrate into metallic silver is, The oxidation state of phosphorus in cyclotrimetaphosphoric acid is. (a) HF < HCl < HBr < HI (iii) Reducing Character. (c) more abundant than hydrogen On the other hand H-F bond is strongest, hence it is the weakest acid among all the halogen acids. B HCl < HBr < HF < HI. (b) XeOF2 Differentiate between continuous time and discrete time systems. (c) HClO < HClO4 < HClO3 < HClO2 4. (b) lighter than hydrogen We hope the given Chemistry MCQs for Class 12 with Answers Chapter 7 The p-Block Elements will help you. Answer: a . The set with correct order of acidity is Find out more about how we use your information in our Privacy Policy and Cookie Policy. On electrolysis of dil.sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be: An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. Click here to get an answer to your question ️ Arrange the following in the decreasing order of their reducing character : HF, HCL, HBr, HI Mind it !! (b) Cl– and ClO2– The decrease in the strength of H – X bond is evident from the fact that H – X bond dissociation energies decrease from H – F to H – I. (c) H — S bond dissociation energy is less as compared to H — O bond. Since H-1 bond is weakest, therefore, HI is the strongest acid. Ask Question + 100. In which of the following oxidation state of phosphorous is +3? It decreses HF, HCL, HBr, and HI?as u wrote it, because decrease in electronegativty difference. So, the correct order of reducing character is:HF HCl bond> HBr > HI bond? (d) H — O bond dissociation energy is less also compared to H — S bond. The increasing order of reducing power of the halogen acids is (a) HF < HCl < HBr < HI (b) HI < HBr < HCl < HF (c) HBr < HCl < HF < HI (d) HCl < HBr < HF < HI. Gaseous hydrogen halide compounds dissolve in water to form the hydrohalic acids. [NCERT Exemplar] (a) F 2 > … (d) remove impurities. (d) HCl < HBr < HF < HI. Identify compound X in the following sequence of reactions: Identify a molecule which does not exist. (a) XeO3 Fluorine differs from rest of the halogens in some of its properties. Helium is preferred to be used in balloons instead of hydrogen because it is We hope the given Chemistry MCQs for Class 12 with Answers Chapter 7 The p-Block Elements will help you. The increasing order of reducing power of the halogen acids is What is this device for? (a) convert SO2 and SO3 (b) both O2 and Xe are gases. The increasing order of reducing power of the halogen acids is (a) HF < HCl < HBr < HI (b) HI < HBr < HCl < HF (c) HBr < HCl < HF < HI (d) HCl < HBr < HF < HI. Which of the following set of molecules will have zero dipole moment ?

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