For the following questions answer them individually
A solution is prepared by adding 2 g of 'X' to 1 mole of water. Mass percent of 'X' in solution is
Which one of the following pairs is an example of polar molecular solids?
Which hydride among the following is less stable?
Alkali metal from the following with least melting point is
Compound from the following that will not produce precipitate on reaction with AgNO$$_3$$ is
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A:Â

can be subjected to Wolff-Kishner reduction to giveÂ

Reason R: Wolff-Kishner reduction is used to convertÂ

intoÂ
The major product formed in the following reaction is:
(a)
(b)
(c)
(d)

choose the correct answer from the options Given below:
Which of the following compounds is an example of Freon?
What weight of glucose must be dissolved in 100 g of water to lower the vapour pressure by 0.20 mm Hg?
(Assume dilute solution is being formed)
Given: Vapour pressure of pure water is 54.2 mm Hg at room temperature. Molar mass of glucose is 180 g mol$$^{-1}$$
For a chemical reaction $$A + B \to$$ Product, the order is 1 with respect to $$A$$ and $$B$$.
| Rate (mol L$$^{-1}$$ s$$^{-1}$$) | [A] (mol L$$^{-1}$$) | [B] (mol L$$^{-1}$$) |
| 0.10 | 20 | 0.5 |
| 0.40 | x | 0.5 |
| 0.80 | 40 | y |