Chemistry

The ratio of the mass percentages of 'C&H' and 'C&O' of a saturated acyclic organic compound 'X' are 4:1 and 3:4 respectively. Then, the moles of oxygen gas required for complete combustion of two moles of organic compound 'X' is [numerical value].

The ratio of the mass percentages of 'C&H' and 'C&O' of a saturated acyclic organic compound 'X' are 4:1 and 3:4 respectively. Then, the moles of oxygen gas required for complete combustion of two moles of organic compound 'X' is [numerical value].

The molecular geometry of SF₆ is octahedral. What is the geometry of SF₄ (including lone pair(s) of electrons, if any)?

The size of a raw mango shrinks to a much smaller size when kept in a concentrated salt solution. Which one of the following process can explain this?

The one that is not expected to show isomerism is:

An organic compound 'A' (C?H?O) when treated with conc. HI undergoes cleavage to yield compound 'B' and 'C'. 'B' gives yellow precipitate with AgNO? where as 'C' tautomerizes to 'D'. 'D' gives positive iodoform test. 'A' could be:

Amongst the following statements regarding adsorption, those that are valid are:
(a) ΔH becomes less negative as adsorption proceeds.
(b) On a given adsorbent, ammonia is adsorbed more than nitrogen gas.
(c) On adsorption, the residual force acting along the surface of the adsorbent increases.
(d) With increase in temperature, the equilibrium concentration of adsorbate increases.

If you spill a chemical toilet cleaning liquid on your hand, your first aid would be:

Arrange the following labelled hydrogens in decreasing order of acidity:

The major product of the following reaction is: