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Practice Online Test Series for JEE Main 2018 & NEET 2018
For the first order decomposition reaction of `N_2O_5` written as
`2N_2O_5(g) -> 4NO_2(g) + O_2(g)` rate=`K [N_2O_5]`
`N_2 O_5(g) -> 2NO_2(g) + 1/2 O_2(g)` rate`=K’[N_2O_5]`
Which of the following facts is true:
The reagent which does not react with both, acetone and benzaldehde:
The most stable resonating structure of
Which of the following species has maximum tendency to form complex:
Which of the following pair the EAN of central metal atom is not same:
In a body centred cubic unit cell of a metal edge length is `4xx10^(-10)` m. The diameter of the atom will be:
The reaction of phenol with benzoyl chloride to give phenyl benzoate is known as:
Which of the following pair are diastereomers:
What is the following statement is not correct regarding `NO_2` molecule:
Ammonia forms the complex `[Cu(NH_3)_4]^(+2)` with copper ions in alkaline solution but not in acidic solution. The reason for this is:
At what concentration of `Cu^(2+)` in a solution of `CuSO_4 `will the electrode potential (oxidation) be zero at `25^oC`.
`E^o Cu`/`Cu^(2+)=-0.35 V:`
Which of the following alcohol will yield the corresponding alkyl chloride on reaction with concentrated HCl and `ZnCl_2` at room temperature:
Which of the following name is incorrect:
Which of the following compound shows least tendency toward hydrolysis:
When ZnS and PbS minerals are present together than NaCN is added to separate them in the concentration process because:
Consider the given half cell
`Pt|Fe^(3+) (X_1,M),Fe^(2+)(X_2,M)`
Correct statement about the half cell is:
n-Hexane `underset{Delta}stackrel{V_2O_5,Al_2O_3}{rightarrow}A underset{AlCl_3}stackrel{CH_3COCl}{rightarrow}Boverset{text(Zn-Hg/Conc.HCl)}{rightarrow}C overset{NSB}{rightarrow}D`
Identify D:
The densities of two gases are in the ratio of 1:16 the ratio of their rates of diffusion us-
In which of the following processes, the value of magnetic moment does not change:
Which of the following statement are not correct:
