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In a metal deficient oxide sample, MxY2O4 (M and Y are metals), M is present in both +2 and +3 oxidation states and Y is in +3 oxidation state. If the fraction of M2+ ions present in M is value of X is__ Atoms of metals x, y, and z form face-centred cubic (fcc) unit cell of edge length Lx, body-centred cubic (bcc) unit cell of edge length Ly, and simple cubic unit cell of edge length Lz, respectively. [Given : Mx, My, and Mz are molar masses of metals x, y, and z, respectively. rx, ry, and rz are atomic radii of metals x, y, and z, respectively.] (A) Packing efficiency of unit cell of x Packing efficiency of unit cell of y Packing efficiency of unit cell of z (B) Ly Lz (C) Lx Ly (D) Density of x Density of y Atom X occupies the fcc lattice sites as well as alternate tetrahedral voids of the same lattice. The packing efficiency (in %) of the resultant solid is closest to __ For the given close packed structure of a salt made of cation X and anion Y shown below (ions of only one face are shown for clarity), the packing fraction is approximately (packing fraction = Packing efficiency/100) The cubic unit cell structure of a compound containing cation M and anion X is shown below. When compared to the anion, the cation has smaller ionic radius. Choose the correct statement(s). (A) The empirical formula of the compound is MX. (B) The cation M and anion X have different coordination geometries. C) The ratio of M-X bond length to the cubic unit cell edge length is 0.866. (D) The ratio of the ionic radii of cation M to anion X is 0.414. Enrol in InfinIITy 2.0 Dropper Batch: https://1learn.in/new-courses/71-infi... ProdJEE batch (Class 12): https://1learn.in/quick-pay/10/65 EnerJEE batch (Class 11) https://1learn.in/quick-pay/10/64 👉Whatsapp: https://whatsapp.com/channel/0029Va9s... 👉Telegram: https://t.me/jeeudaan ✅Download JEE One App for Unlimited Free study material & TESTS in NTA pattern) : https://bit.ly/3vc809M #jee1 #jeeone #jeeadvanced #jeemains #iitjee #exampreparation #competitiveexams #problemsolving #examtips #jeemain2025 #jeeadvanced2025 #jeemain2025 #jeeadvanced2025 #previousyearquestions #tipsandtricks #testtakingstrategies #jeepreparation #jeemainnews #jeemain2025news #jeeadvancedpreparation #jeeadvancedsolutions #jeeexamtips #jeepractice #pyq #teamudaan #jeeadvanced2025registration #jeeadvancedregistrationlink JEE Advanced PYQ Solid State jee 1,nta news,jee main 2025 news,jee main news,jee main 2025 latest update,jee main 2025 update,jee main 2025 latest news,nta latest news,namo kaul,jee advanced 2025,jee advanced 2025 strategy,strategy for jee advanced 2025,strategy for jee advanced,jee advanced preparation strategy 2025,jee advanced 2025 preparation,jee advanced 2025 course,jee 2025 roadmap,strategy for jee 2025,jee 2025 preparation strategy,jee advanced strategy,jee advanced block strategy,jee advanced toughest questions,jee adavnced toughest problems,jee advanced problem solving,important jee advanced 2025 pyq,jee advanced chemistry pyq,chemistry important pyq,previous year question paper for jee advanced,Solid State jee advanced pyqs,jee advanced previous year chemistry questions