Tamanna Chaudhary is teaching live on Unacademy Plus
70 IMPORTANT MCQS ON CHEMICAL THERMODYNAMICS FOR NEET/ AIIMS By- Tamanna Chaudhary
61. A. Cdiamond-tgrophite , atsau a R. During this conversion, entropy increases 62. A. q and are path function ) R. qtw is a state funeion 63. A. Total enthalpy change for multiste ,,Hr.. ) R. When heat is absorbed by the system, the siqn 64. A. Bond enthal 18 a) uith negative stg o q istaken to be negotive to enthalpy ormath R. Bond everay is en mole singe bond uired to dissosia
65. A.bn-spontancous proeess bero mes sponteneous when coupled with a svable spon taneous rxn. ( R. The overalre nengy o coupled spontaneous ren Hen 66. A. AH is posiHve or endohermic reaeHon ( ) R. For endothemic n, HRHp 67. A. Enthalpy ot graphite is bwer than that of diamend. a) R. Entropy of isg 6t. A. Absolube valus ot u o a substance carlt be delemined is negoHve. hite is qreaher than diamond R. It s impossible to determine exad values o conseneergy o the seabstans
69. A. Holare yoSwap ouriseion ot water is disferen t from R. water is mone polar than ethanel. hare pracess, heat energy is nob To. A. Durinq an adiabelic (3) exchanged system andit's surrounding. R . The temperature etagas Increases hen it undergoes adiabdhe expansion.