NEET-XII-Chemistry

Previous Year Paper year:2021

with Solutions - page 5
Qstn# A-50 Prvs-Qstn
  • #50
    The slope of Arrhenius Plot \( \left(\ln k\, v / s \frac{1}{ T }\right) \) of first order reaction is \( -5 \times 10^{3} K \) . The value of \( E _{ a } \) of the reaction is. Choose the correct option for your answer. \( \left[\right. \) Given \( \left.R =8.314\, JK ^{-1} mol ^{-1}\right] \)
    (A) \( 41.5\, kJ \,mol ^{-1} \)
    (B) \( 83.0\, kJ \,mol ^{-1} \)
    (C) \( 166\, kJ \,mol ^{-1} \)
    (D) \( -83 \,kJ\, mol ^{-1} \)
    digAnsr:   A
    Ans : A