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Gujarati JEE Chemistry : રસાયણિક ગતિકી

Multiple Choice Questions

61.

0.25 àª•àª²àª¾àª•
1 àª•àª²àª¾àª•
4 àª•àª²àª¾àª•
0.5 àª•àª²àª¾àª•

62. નીચેના પૈકી કયું પ્રથમ ક્રમની પ્રક્રિયાનો પ્રક્રિયા સમય સૂચવે છે ?

$fraction numerator 2.303 over denominator straight K end fraction log space 4$
$fraction numerator 2.303 over denominator straight K end fraction log space 3$
$fraction numerator 2.303 over denominator straight K end fraction log 3 over 4$
$fraction numerator straight K over denominator 2.303 end fraction log space 4 over 3$

63.

600 àª¸à«‡àª•àª¨à«àª¡
500 àª¸à«‡àª•àª¨à«àª¡
900 àª¸à«‡àª•àª¨à«àª¡
1500 àª¸à«‡àª•àª¨à«àª¡

500 àª¸à«‡àª•àª¨à«àª¡

1500 àª¸à«‡àª•àª¨à«àª¡

$straight M over 10 space rightwards arrow with straight t subscript begin inline style bevelled 1 half end style end subscript on top straight M over 20 space rightwards arrow with straight t subscript begin inline style bevelled 1 half end style end subscript on top space straight M over 40 rightwards arrow with straight t subscript begin inline style bevelled 1 half end style end subscript on top straight M over 160$

àª²àª—àªàª— T àª¶à«‹àª§àªµàª¾àª¨à«‹ àª›à«‡. T = $3 space cross times space straight t subscript begin inline style bevelled 1 half end style end subscript$ àª¥à«€ $4 space cross times space 1 subscript begin inline style bevelled 1 half end style end subscript$

$therefore$ T = $almost equal to$ 450 àª¥à«€ 600 àª¸à«‡àª•àª¨à«àª¡

$therefore$ àª¸à«‡àª•àª¨à«àª¡

$therefore$ T = $almost equal to$ 450 àª¥à«€ 600 àª¸à«‡àª•àª¨à«àª¡

$therefore$ àª¸à«‡àª•àª¨à«àª¡

64.

$1 over 16$
$1 over 8$
$1 fourth$
$1 half$

65. પ્રથમ ક્રમની પ્રક્રિયા માટે

$straight t space equals space fraction numerator 2.303 over denominator straight K end fraction log fraction numerator straight a over denominator straight a plus space straight x end fraction$
$straight K space equals space fraction numerator 2.303 over denominator straight t end fraction log fraction numerator left square bracket straight A right square bracket over denominator left square bracket straight A right square bracket subscript 0 end fraction$
$left square bracket straight A right square bracket space equals space left square bracket straight A right square bracket subscript 0 times space straight e to the power of negative straight K times straight t end exponent$
$straight t space equals space straight K space cross times space 2.303 space log space fraction numerator left square bracket straight A right square bracket over denominator left square bracket straight A right square bracket subscript 0 end fraction$