Select the correct statement among the following: (a) Density of alkali metals regularly increas...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=osplOZ-XUH8


Duration: 9:41
1 views
0

Select the correct statement among the following:
(a) Density of alkali metals regularly increases on moving down the group from \( \mathrm{Li} \) to \( \mathrm{Cs} \).
(b) Group-1 elements are the largest in their horizontal periods in the periodic table (exclude noble gases).
(c) The melting and boiling points of group 1 elements increases on moving down from \( \mathrm{Li} \) to Cs.
(d) Alkali metals are harder than alkaline earth metals.
šŸ“²PW App Link - https://bit.ly/YTAI_PWAP
šŸŒPW Website - https://www.pw.live



Other Videos By PW Solutions


2023-07-03The stability of the following alkali metal chlorides follows the order? (a) \( \mathrm{LiCl}\ma...
2023-07-03An alkali metal nitrate on heating decomposes and liberates two different gases along with an ox...
2023-07-03Anode in the middle compartment of castner kellner cell is made with (a) Mercury (b) Graphite (c...
2023-07-03Which of the following statement is false for alkali metals? (a) Alkali metals do not occur free...
2023-07-03The oxide that gives hydrogen peroxide on treatment with a dilute cold acid is (a) \( \mathrm{Pb...
2023-07-03The alkali halide that is soluble in pyridine is: (a) \( \mathrm{NaCl} \) (b) \( \mathrm{LiCl} \...
2023-07-03Excess of sodium hydroxide reacts with zinc to form: (a) \( \mathrm{ZnH}_{2} \) (b) \( \mathrm{N...
2023-07-03Which of the following statement is false for alkali metals? (a) Alkali metals do not occur free...
2023-07-03Which one of the following properties increases on moving down the group from Li to Cs? (a) Melt...
2023-07-03The chemical formula of soda ash is: (a) \( \mathrm{NaOH} \) (b) \( \mathrm{Na}_{2} \mathrm{CO}_...
2023-07-03Select the correct statement among the following: (a) Density of alkali metals regularly increas...
2023-07-03Alkali metals are (a) Weak reducing agents (b) Strong reducing agents (c) Strong oxidising agent...
2023-07-03Most reactive metal among the following is: (a) \( \mathrm{K} \) (b) \( \mathrm{Li} \) (c) \( \m...
2023-07-03Which of the following is most electropositive element due to its lowest ionization energy? (a) ...
2023-07-03Which of the following is not a s-block element? (a) \( [\mathrm{Ar}] 4 \mathrm{~s}^{2} 3 \mathr...
2023-07-03Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basi...
2023-07-03Sodium metal can be stored under: (a) Benzene (b) Kerosene (c) Alcohol (d) Water
2023-07-03Hydrogen has three isotopes: protium \( \left({ }^{1} \mathrm{H}\right) \), deuterium \( \left({...
2023-07-03Boiling of hard water is helpful in removing the temporary hardness by converting calcium hydrog...
2023-07-03In the industrial production of which of the following, molecular hydrogen is obtained as a bypr...
2023-07-03The highest industrial consumption of molecular hydrogen is to produce compounds of element (a) ...