Advertisements
Advertisements
प्रश्न
Assertion: Generally alkali and alkaline earth metals form superoxides.
Reason: There is a single bond between O and O in superoxides.
पर्याय
both assertion and reason are true and reason is the correct explanation of assertion
both assertion and reason are true but reason is not the correct explanation of assertion
assertion is true but reason is false
both assertion and reason are false
उत्तर
both assertion and reason are false
APPEARS IN
संबंधित प्रश्न
Discuss the general characteristics and gradation in properties of alkaline earth metals.
In context with beryllium, which one of the following statements is incorrect?
Substantiate Lithium fluoride has the lowest solubility among group one metal fluorides.
Alkaline earth metal (A), belongs to 3rd period reacts with oxygen and nitrogen to form compound (B) and (C) respectively. It undergoes metal displacement reaction with AgNO3 solution to form compound (D). Identify A, B, C and D.
Explain the important common features of Group 2 elements.
When sodium is dissolved in liquid ammonia, a solution of deep blue colour is obtained. The colour of the solution is due to ______.
Name an element from Group 2 which forms an amphoteric oxide and a water soluble sulphate.
Why are BeSO4 and MgSO4 readily soluble in water while CaSO4, SrSO4 and BaSO4 are insoluble?
An element of group 2 forms covalent oxide which is amphoteric in nature and dissolves in water to give an amphoteric hydroxide. Identify the element and write chemical reactions of the hydroxide of the element with an alkali and an acid.
MgBr2 and Mgl2 are soluble in acetone because of ______.
