1 mol of hydrogen and 2 mol of iodine are taken initially in a 2L vessel. The number of moles of hydrogen at equilibrium is `0.2`. Then the number of moles of iodine and hydrogen iodide at equilibrium are

Options

A. 1.2,1.6
B. 1.8,1.0
C. 0.4,2.4
D. 0.8,2.0

Answer

A

Explanation

`{:(,H_(2),+,I_(2),hArr , 2HI),("Initial ",1 "mol",,2"mol",,),("At eq.",0.2"mol",,2-0.8,,2xx0.8):}`
`(0.8` mole of `H_(2)` have reacted ).