Ncert Solutions Chemistry Class 12th

The incorrect statement is:

CMC is the particular concentration above which micelle formation takes place. CMC for soap lies between:

The increasing order of the reactivity of the following compounds in nucleophilic addition reaction is:
(a) Di-tert-butyl ketone
(b) Acetone
(c) Acetaldehyde
(d) p-Nitrobenzaldehyde

Consider the following molecules and statements related to them:
Molecule (P) is p-nitrophenol.
Molecule (Q) is o-nitrophenol.

(a) (Q) is more volatile than (P)
(b) (Q) has higher boiling point than (P)
(c) (P) dissolves more readily than (Q) in water
(d) pKa value of (P) is higher than (Q)

Identify the correct option from below:

Consider the following reaction
CH₂ = CH – CH = CH₂ + HBr → (40°C) the number of geometrically active products is/are:

The Number of Species which have square pyramidal shape Species:-
XeOF₄, ClF_5, XeF_4, PCl_5, XeO₃F₂, SbCl_5, BrF₅.

The number of Cl = O bond in Chlorous acid is

For a reaction P → Q, the Ea for the forward reaction and backward reaction is 15KJ/mol and 5KJ/mol, respectively, potential energy of P is 8KJ/mol, then the heat of reaction (in kJ) is:

6.84gm Al₂(SO₄)₃ is needed to coagulate 2.5 L of As₂S₃ sol completely in 2.0 hrs. The coagulation value of Al₂(SO₄)₃ in terms of millimoles per litre is:

[Atomic Mass : Al = 27, S = 32].

An ionic compound (A⁺B^-) crystallizes in rock salt structure. If the ionic radii of A⁺ and B^- is 200pm and 400pm respectively, then calculate distance between nearest anions in Å.