Kinetics

Assertion: The rate constant of a chemical reaction increases by a factor of 2 approximately on increasing the temperature by 10K.
Reason: The number of collisions increase between the molecules due to increase in temperature leading to increase in rate of reaction.

The choices are as per JEE options!!!!!!!!!

cheers!!!!!!!

11 Answers

1
kamalendu ghosh ·

B ???

11
Mani Pal Singh ·

(B)[1]
4 statement 1 u should consult NCERT
ur 2nd statement is also a general fact but it doesnt lead us to statement 1

so CHEERS!!!!!!!!!!!!!
answer must be (B)

24
eureka123 ·

Statement 1 is incomplete......(if we think it deeply....otherwise OK)

acc. to a research ....rate doubles only in small temp. ranges.......if temp becomes too large i.e greater than 400K.....then it is not valid....

1
greatvishal swami ·

A

21
tapanmast Vora ·

ya but eure dont think too much....
mera ans : B

BTW for wat statejent 2 wud v hav giv3en the ans as A coz this thing is lyk a general fact frm observation in variuos exp. [7]

24
eureka123 ·

ok...tapan.....just wanted to give some knowledge

here ans is b(if dont think deep)
for ans to be a......maybe reason could have beeen the arhenius eqn....

1
greatvishal swami ·

seems gud enough reason

baat to theek hi hai

and also explains the assertion

[7][7]

21
tapanmast Vora ·

Vish : i voted for B coz the reason gives no xplanatn for da fact that rate increases by "2".........
By the reason it cud inc by 10 also and 0.1 also..........

1
greatvishal swami ·

yeah sahi baat hai sahi kaha tapan

ans is B

agar mathematical proof diya hota to A hota
[4][4]

11
Mani Pal Singh ·

maine urdu mein likha tha kya[7]

24
eureka123 ·

i wrote that in post#7
.maybe reason could have beeen the arhenius eqn

Your Answer

Close [X]