# Solved papers for JEE Main & Advanced AIEEE Solved Paper-2002

### done AIEEE Solved Paper-2002

• question_answer1) Heat required to raise the temperature of mole of a substance by ${{1}^{o}}C$ is called   AIEEE  Solved  Paper-2002

A) specific heat

B)          molar heat capacity

C)                           water equivalent

D) specific gravity

• question_answer2) Consider the following reactions at ${{1100}^{o}}C$ (I) $2C+{{O}_{2}}\xrightarrow{{}}2CO$, $\Delta {{G}^{o}}=-460\,kJ\,mo{{l}^{-1}}$ (II) $2Zn+{{O}_{2}}\xrightarrow{{}}2ZnO$, $\Delta {{G}^{o}}+=-360\,kJ\,mo{{l}^{-1}}$ Based on these, select the correct alternate.   AIEEE  Solved  Paper-2002

A) Zinc can be oxidised by CO

B) Zinc oxide can be reduced by carbon

C) Both (a) and (b)

D) None of the above

• question_answer3) A reaction is non-spontaneous at the freezing point of water but is spontaneous at the boiling point of water then   AIEEE  Solved  Paper-2002

A) $\Delta H\,\,\,\,\,+ve$                $\Delta S\,\,\,\,+ve$

B) $\Delta H\,\,\,\,\,-ve$                 $\Delta S\,\,\,\,-ve$

C) $\Delta H\,\,\,\,\,-ve$                 $\Delta S\,\,\,\,+ve$

D) $\Delta H\,\,\,\,\,+ve$                $\Delta S\,\,\,\,-ve$

• question_answer4) A heat engine absorbs heat ${{q}_{1}}$ from a source at temperature ${{T}_{1}}$ and heat ${{q}_{2}}$ from a source at temperature ${{T}_{2}}$. Work done is found to be $J({{q}_{1}}+{{q}_{2}})$ This is in accordance with

A) first law of thermodynamics

B) second law of thermodynamics

C) Joules equivalent law

D) None of the above