1
JEE Advanced 2015 Paper 2 Offline
Numerical
+4
-0
In dilute aqueous H2SO4, the complex diaquodioxalatoferrate(II) is oxidized by $$MnO_4^-$$. For this reaction,
the ratio of the rate of change of [H+] to the rate of change of $$[MnO_4^-]$$ is
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2
IIT-JEE 2012 Paper 1 Offline
Numerical
+3
-0
The periodic table consists of 18 groups. An isotope of copper, on bombardment with protons undergoes a nuclear reaction yielding element X as shown below. To which group, element X belongs in the periodic table?
$${}_{29}^{63}Cu$$ + $${}_1^1H$$ $$\to$$ $$6{}_0^1n$$ + $${}_2^4\alpha $$ + 2$${}_1^1H$$ + X
$${}_{29}^{63}Cu$$ + $${}_1^1H$$ $$\to$$ $$6{}_0^1n$$ + $${}_2^4\alpha $$ + 2$${}_1^1H$$ + X
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3
IIT-JEE 2012 Paper 1 Offline
Numerical
+3
-0
An organic compound undergoes first-order decomposition. The time taken for its decomposition to 1/8 and 1/10 of its initial concentration are t1/8 and t1/10 respectively. What is the value of $$\left[ {{{{t_{1/8}}} \over {{t_{1/10}}}}} \right] \times 10$$? ($${\log _{10}}2 = 0.3$$)
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4
IIT-JEE 2010 Paper 1 Offline
Numerical
+3
-0
The concentration of R in the reaction R $$\to$$ P was measured as a function of time and the following data is obtained
The order of reaction is
[R] molar | 1.0 | 0.75 | 0.40 | 0.10 |
---|---|---|---|---|
t (min.) | 0.0 | 0.05 | 0.12 | 0.18 |
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Questions Asked from Chemical Kinetics and Nuclear Chemistry (Numerical)
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