Class 12th

Ammonium salts on heating with slaked lime liberate a colourless gas (X). Identify the incorrect statement for gas (X).

The osmotic pressure exerted by a solution prepared by dissolving 2.0g of protein of molar mass 60 kg mol1 in 200 mL of water at 27°C is_______Pa. (nearest integer)

(Use R = 0.083 L bar mol1 K1)

Which one of the following complexes exhibits chirality?

R–CN --(i) DIBAL-H / (ii) H₂O→ R – Y
Consider the above reaction and identify “Y”

Kindly consider the following

In a solid AB, A atoms are in ccp arrangement and B atoms occupy all octahedral sites. If two atoms from the opposite face are removed, then the resultant stoichiometry of the compound is AxBy. The value of x is ___________(nearest integer)

Kindly consider the following

Consider the following statements about amines and select the incorrect one.

Compound A gives D-Galactose and D-Glucose on hydrolysis. The compound A is:

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: SO₂(g) is adsorbed to a larger extent than H₂(g) on activated charcoal.
Reason R: SO₂(g) has a higher critical temperature than H₂(g).
In the light of the above statements, choose the most appropriate answer from the option given below.