UPSC Combined Geo-Scientist, Mains · 2019 · Mains Paper III
Q4(a). Sulfur chloride formula
Question
A sulfur chloride has relative molecular mass 135. A 5.4 g sample contains 2.84 g Cl. Find its molecular formula.
Answer in brief
S₂Cl₂.
Part of VKC Basic
Read the key points and the full model answer with VKC Basic
VKC Basic (₹999 for 6 months) opens every solved answer, the notes, the handbook and the daily answer archive. Every Mains test series includes it.
The full model answer
As written for the answer booklet: the diagram carries the working, the lines stay short. Read here only; it is not offered as a download.
The handwritten model answer pages open with the VKC plan.
CoversSulfur chloride formulaComposition analysis
All parts of Question 4
- 4(a) Sulfur chloride formula5 marks
- 4(b) Absorbance and transmittance5 marks
- 4(c) Beer-law deviations5 marks
- 4(d) Line and continuum sources5 marks
- 4(e) Background-correction methods5 marks
- 4(f) TCD versus FID response5 marks