IIT JEE Chemistry Final Revision Set 28

1. When cyclohexane is poured on water, it floats, because:
(A) cyclohexane is in ‘boat’ form
(B) cyclohexane is in ‘chair’ form
(C) cyclohexane is in ‘crown’ form
(D) cyclohexane is less dense than water.


Fill in the blanks
(i) In the Arrhenius equation, k = A exp(–E|TR), A may be termed as the rate
constant at _____

(ii) When Fe(s) is dissolved in aqueous hydrochloric acid in a closed vessel, the
work done is _____

(iii) A liquid which is permanently supercooled is frequently called a _____

(iv) Enthalpy is an _____ property

Source:
JEE 1997 paper