DDT, Carbon Tetrachloride, Freon, Iodoform — Prelims Questions

Which of the following statements regarding DDT is INCORRECT?

Which of the following compounds is primarily responsible for the depletion of the stratospheric ozone layer?

Which of the following compounds gives a positive iodoform test?

Which of the following is a major environmental consequence of Carbon Tetrachloride ($CCl_4$) use?

Which of the following is NOT a property of Freons (CFCs)?

The antiseptic property of Iodoform ($CHI_3$) is primarily due to: