TS EAMCET 06 May 2019 Shift 1 Solved Paper

Acamphor sample melts at 176 °C. Kf for camphor is 40 K kg mol−1. A solution of 0.02 g of a hydrocarbon in 0.8 g of camphor melts at 156.77 °C. The hydrocarbon is made up of 92.3% of carbon. What is the molecular formula of the hydrocarbon?