106what is interpenetrating fcc?? (ans C)
CHEM
Q1. What is the structure of NaCl?
(a) bcc (b) fcc (c) interpenetrating fcc (d) NOT
Q2. Diabetes is detected by testing urine of patient with _____
Q3. (NH4)2Cr2O7 + Ba(N3)2 --> N2 + ___ + ___
Q4. What are heteroleptic complexes ?
Q5. Which is the best indicator for weak base strong acid titrations?
Q6. 1,2-benzene dicarboxylic acid ----> (Ba(OH)2/300°C) ________
Q7. 1,2-benzene diol ..(forgive wrong nomenclature) + CH2I2 + NaOH --->
Q8. Brown crystals of Nitrosocyanoferrocyanate is obtained by reation of ferrocyanide (II) with _______
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12 Answers
13Not a clear idea though, am searching fr it......just thought tht since the radius ratios are not exactly 0.414, the complete structure expands a bit...
13Got it....Not at all related to my above reasoning in any way though [3]
It means tht it is like the Na+ ions form a separate fcc & Cl- form a separate fcc lattice, which are then kind of merged, n the 2 lattices seem to penetrate.
http://departments.kings.edu/chemlab/animation/nacl.html
13NaCl, CsCl, ZnS have 2 interpenetrating lattices, whereas there are 3 in the fluorite structure.
396) Benzene...phthalic acid is decarboxylated by barium hydroxide
136.- I haven't got ny idea Pritish, Barium Hydroxide is a dehydrating agent ?
106@pritish.. nothing mentioned about moles of Barium hydroxide...
@avik. Thx again