Q. The relationship between rate constant k and activation energy Ea is best described by:

दर स्थिरांक k और सक्रियण ऊर्जा Ea के बीच संबंध को सबसे अच्छे तरीके से वर्णित किया गया है:

k increases as Ea increases
Ea बढ़ने पर k बढ़ता है

k decreases as Ea increases
Ea बढ़ने पर k घटता है

k is independent of Ea
k, Ea से स्वतंत्र है

k is directly proportional to Ea
k, Ea के सीधे समानुपाती है

From Arrhenius equation:

k = A e^{-E_a/RT}

Higher activation energy means fewer molecules have enough energy to react, lowering $k$ .

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