|1 Crore+ students have signed up on EduRev. Have you?|
Which of the following is correct for the reaction NH3 (g) + HCl (g) → NH4Cl(s)?
One gram of a solute PQ2 present in 52 g water gives ΔTb as 0.156 K and one gram of PQ3 in 52 g water gives ΔTf as 0.125. At. wt. of P and Q are
In which of the following sets does the oxygen atom has oxidation number in increasing order ?
Acetophenone when reacted with a base, C2H5ONa yields a stable compound which has the structure
A gaseous mixture contains CO2 and H2O (vapour) in the ratio 4 : 3 by mass. The ratio of the number of molecules is
Which of the following is/are colourless ?
I. SrCl3 ; II. TiCl4 ; III. Cu2Cl2 ; IV. ZnCl2 ?
Nickel (Z = 28) combines with uninegative monodentate ligand X- to form a paramagnetic complex (NiX4)2-. The number of unpaired electron (s) in the nickel and geometry of this complex ion are, respectively
The reducing power of divalent species in 14th group increases as
Which of the following 1 M aqueous solution will have highest pH ?
Which of the following can not be used for the estimation of nitrogen in it by Kjeldahl’s method ?
The value of compressibility factor at the critical state of a van der Waals gas is
The correct order of reactivity of under mentioned alkenes for reaction with HBr is
For the reaction, .if the rate of disappearance of Br- is 2.5 x 10-2 mol L-1 s-1, the rate of appearance of Br2 will be
Which of the following shows the correct decreasing order of acidic nature ?
From the adjacent graphs of oxide formation
I. 2Fe + 3O2 → 2Fe2O3
II. 2CO + O2 → 2CO2
III. 2C + O2 → 2CO
Which statement is correct ?