MHT CET questions
29293 published questions with worked solutions.
- Which one is the following bonds has the highest average bond energy (kcal/mole)?
- If _fH^0 for H_2O_2 and H_2O are -188 and -286 kJ mol^ -1 respectively, what will be the enthalpy change for the reaction :...
- Heat of formation, _fH^0 of an explosive compound like NCl_3 is
- The heat of formation of ammonia at 25^ C is -47 kJ . The correct equation which represents this value is :
- The bond energy of C-H bond in CH_4 from the following data : C(s)+4H(g) CH_4(g) ; H=-1398 kcal is about
- The bond energy of a O-H bond is 109 kcal ,mol^ -1 when a mole of water is formed
- The standard heat of formation of ethane, CO_2 and H_2O( l ) are -21.1, -94.1 and -68.3 kcal respectively. The standard heat of...
- In exothermic reaction the products are
- The heat of formation of Fe_2O_3(s) is -824.2 kJ ,mol^ -1 , H for the reaction 2Fe_2O_3(s) 4Fe(s)+3O_2(g) is :
- In the dissociation of CH_4(g)
- 1 mole of H_2SO_4 is mixed with 2 moles of KOH , the heat evolved will be
- The bond dissociation energies for F_2 , Cl_2 , Br_2 and I_2 are 37, 58, 46 and 36 kJ ,mole^ -1 respectively. The strongest bond...
- The enthalpy of formation for C_2H_4(g) , CO_2(g) and H_2O( l ) at 25^ C and 1 atm. pressure are 52, -394 and -286 kJ ,mol^ -1...
- Which one of the following reaction defines _fH^0?
- The enthalpy of bond dissociation of H_2(g) , Cl_2(g) and HCl(g) are 104, 58 and 103 kcal mol^ -1 respectively. The enthalpy of...
- If _fH(X), _fH(Y), _fH(R), _fH(S) denote the enthalpies of formation of X, Y, R and S respectively the enthalpy of the reaction....
- Heat of formation H^0_f of an explosive compound is
- If the heat of formation of MH_4 is -1600 kJ , the bond energy of M-H would be :
- The standard heat of formation of diamond is
- Heat evolved in the reaction H_2(g)+Cl_2(g) 2HCl(g) is 182 kJ . The bond enthalpy of H-H , Cl-Cl bond are 430, 242 kJ mol^ -1...