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Practice Online Test Series for JEE Main 2018 & NEET 2018
Benzyl amine may be alkylated as shown in the following equation :-`C_6H_5CH_2NH_2+R-X->C_6H_5CH_2NH-R`Which of the following alkyl halides is best suited for this reaction through `S_N1` mechanism :-
Sucrose is a :-
The equilibrium constant of the reaction `H_2+I_2-> 2HI` is 49 then equilibrium constant of the following reaction is :-
`1/2H_2+1/2I_2->HI`
The IUPAC name for `K_2 [Cr(CN)_2 O_2 (O_2)(NH_3)]` is :-
2m aqueous solution of an electrolyte `x_3y_2` is 25% ionized. The boiling point of the solution is `(K_b` for `H_2O = 0.52` K kg/mol) :-
`RCOOH + NaHCO_3 ->`obtained carbon dioxide will be :-
Arrange the following radical in order of decreasing stability :-
Which of the following reaction does not take place :-
In the isoelectronic series of metal carbonyl the CO bond strength is expected to increase in the order :-
For the first order decomposition reaction of `N_2O_5` written as
The reagent which does not react with both, acetone and benzaldehyde :-
The most stable resonating strcutre 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^-10m`. 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 statements is not correct regarding `NO_2` molecule :-
Ammonia forms the complex `[Cu(NH_3)_4]^(+2)` with copper ions in alkaline solfution 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 25ºC.`(EºCu)/(Cu^(2+)) = – 0.34 V` :-