CBSE Class 12-science Answered
SOLID STATE
Asked by | 23 Feb, 2008, 10:28: AM
Expert Answer
KF has NaCl sturcture . What is distance between K+ and F- in KF if density is 2.48 gm cm-3.
(Molar mass of KF = 58 g mol-1).
d=zXM / a3XNa = 4 X58 / a3X6.02 X1023 = 2.48gm cm-3.
a3 = 155X10-24 cm
a = 5.4 X10 -8cm
dist btw K+ and F- a/2 as it is rock salt structure. 2.7 X 10-8cm
Note: This numerical is from the old course in CBSE it is not in syllabus now.
Answered by | 08 Dec, 2017, 05:30: PM
Concept Videos
CBSE 12-science - Chemistry
Asked by rasmimajhi07 | 21 Nov, 2023, 10:22: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by pradeepkumar70258 | 04 Oct, 2023, 10:30: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by akash9322793205 | 12 Aug, 2021, 09:30: AM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by thakurranjan54 | 08 Feb, 2021, 06:32: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by sildasholly2002 | 26 Jul, 2020, 06:37: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by tejuaaygole | 11 Jul, 2020, 10:40: AM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by chandlerbong164 | 12 Apr, 2020, 07:22: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by mangeshkale423 | 25 Feb, 2020, 05:12: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by upasana.sobti | 16 Jan, 2019, 01:59: PM
ANSWERED BY EXPERT