MPSC Rajyaseva 2016 CSAT — Question 33

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Photochemical reactions Activation energy

सौर किंवा प्रकाश रासायनिक अभिक्रियेत सक्रियकरण ऊर्जा ही ____________ अवलंबून असते. The energy of activation depends upon ___________ in photochemical reaction.

1)उष्णतेवर / heat

2)आण्विक टक्करीवर / molecular collision

3)संहतीवर / concentration

4)प्रकाशाच्या तीव्रतेवर / intensity of light✓ Correct

In many photochemical reactions, the activation energy can be zero or independent of temperature in certain primary steps, leading to 'None of the above' or specific nuanced behaviors depending on the exact options in the full exam set.

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