List of top Chemistry Questions

A solution contains 100 g water and 10 g of AB2, The boiling of the solution was found to be 100.52% The degree of dissociation of AB2 is: 
[MW of AB = 200 gm/mol ; Kb = 0.52 Kkg/mol
Find among the spin only magnetic moment (nearest integer) of M in MO42-, M being the atom having least atomic radii among Sc, Ti, V, Cr, Mn, Zn.
Which of the following is not tetrahedral in shape ?
Which of the following statement is INCORRECT
How many of the following have zero dipole moment $H_2S, CH_4, NH_3, BF_3, SO_2, NF_3$
In an atom, how many electrons can have
(i) n = 4 (ii) m1 =1 (iii) ms = ½
Number of π bonds present in product B is:
π bonds present in product B is
Which of the following molecule is an acidic oxide?
Equanil drug is used for which disease?
Which postulate of Dalton's theory is wrong
Arrange the following carbocations in increasing order of their stability.
I) \((CH_3)_3C^{\oplus}\)
II) \((CH_3)_2\overset{{\oplus}}{C}H\)
III) \(\overset{{\oplus}}{C}H_3\)
IV) \(CH_3\overset{{\oplus}}{C}H_2\)
Sum of O atoms in A and B is ?
Sum of O atoms in A and B is ?
The molar conductivities of a divalent cation (M2+) and monovalent anion (A-) are 57 S cm-1 mol-1 and 73 S cm-1 mol-1 respectively. Then find the total molar conductivity shown by their compound in S cm-1 mol-1
Consider the following statements:
Statement I: Stability of +1 oxidation state increases down the group in group-13.
Statement II: Atomic radius of Ga is greater than that of Al.
In which of the following compounds Mn has the highest oxidation state?
Which metal shows the highest and maximum number of oxidation states?
Identify the change occuring in oxidation state of Mn in cell reaction of dry cell of clock during its use
One litre solution of 0.2 M glucose is separated with its pure solvent with semi-permeable membrane, 0.1 moles of NaCl is added to the solution. The change in osmotic pressure of solution will be at 300 K _____ . (take R = 0.083)
Sum of the number π and nt bonds in the ethylene molecule is x. The value of x is
Which of the following cation will give green colour in Borax bead test
If the number of neutrons in the most abundant isotope of boron is 'x' and its highest oxidation state in unsaturated compound is 'y', then find the value of (x+y).
Wolff–Kishner reduction\(\xrightarrow{NH_2-NH_2/KOH}\;\; Product\)
What is the correct order of strength of following ligands according to the spectrochemical series?
Assertion: Trans But-2-ene is less polar than cis But-2-ene
Reason: Trans But-2-ene has zero dipole moment
Identify the correct Lewis dot structure of NO-2.