class 12

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JEE Main

In the circuit shown, the current in the $1Ω$ resistor is :

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For the non – stoichiometre reaction $2A+B→C+D$ , the following kinetic data were obtained in three separate experiments, all at 298 K The rate law for the formation of C is:

Experimentally it was found that a metal oxide has formula $M_{0.98}O.$ Metal M, is present as $M_{2+}andM_{3+}$ in its oxide. Fraction of the metal which exists as $M_{3+}$ would be:

If the coefficients of $x_{3}$and $x_{4}$in the expansion of $(1+ax+bx_{2})(1−2x)_{18}$in powers of x are both zero, then (a, b) is equal to

Synthesis of each molecule of glucose in photosynthesis involves:

The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:

Which of the following complex species is not expected to exhibit optical isomerism?

The sum of first 20 terms of the sequence 0.7, 0.77, 0.777, .. , is

The color of $KMnO_{4}$ is due to :