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Tag Archives: Oxidation Reduction

$2MnO_4^- +bC_2O_4 ^{2-} + CH^+ \rightarrow xMn^{2+} + y CO_2 + z H_2 O $

If the above equation is balanced with integer coefficients, the value of c is _ _ _ _ . (Round off to the nearest integer) Continue reading $2MnO_4^- +bC_2O_4 ^{2-} + CH^+ $

$\downarrow $

$ xMn^{2+} + y CO_2 + z H_2 O $ →

Consider the following reaction:

The values of x, y and z in the reaction are, respectively:

(1) 5, 2 and 16 (2) 2, 5 and 8 (3) 2, 5 and 16 (4) 5, 2 and 8

[JEE Main 2013]

${\scriptscriptstyle 6 + f(x) = 2f( – x) + 3{x^2}\int\limits_{ – 1}^1 {f(t)dt}}$
$\scriptstyle f(x) = {\left( {\frac{x}{\pi }} \right)^x} + {\left( {\frac{\pi }{x}} \right)^x}$
$\scriptstyle \sqrt {7 – \sqrt {7 + \sqrt {7 – \sqrt {7 + …..} } } }$
$\scriptstyle f(x) = \int\limits_0^x {{\pi ^t}(t – e)(t – \pi )dt} $
$\scriptstyle 7f(x) + 5f\left( {\frac{1}{x}} \right) = x + 1$ …

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JEE Main & Advanced Preparation Online / India (Bhopal)