A gas is found to have the formula cox if its vapor density is 70. Find the value of x.
Molecular weight = 2*vapour density = 2*70 = 140 (CO)x-140 (12+ 16)x = 140 28 x = 140 x =... View Article
Molecular weight = 2*vapour density = 2*70 = 140 (CO)x-140 (12+ 16)x = 140 28 x = 140 x =... View Article
The shortest inter-ionic distance between Cs^(+) and Br^(-) is \(\begin{array}{l}3.72 AA\end{array} \).
Bond order of clo2 (Chlorine dioxide) is 1.5
Option: b)2
Answer: Option d) Air. Note:Air is a mixture of gases.
Aniline when treated with nano 2 and HCl at 5 degree c gives Benzene diazonium chloride.
Answer: \(\begin{array}{l}1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{5}\end{array} \)
Answer: (2) Solid dispersed in gas Smoke is an instance of a solid aerosol in which the dispersed phase is solid... View Article
Mercury and Gallium are the two metals which are liquid ate room temperature.
Assertion: Distillation is good for separating a liquid from a solution Reason: Distillation method works because the water evaporates... View Article
Sodium carbonate and potassium carbonate are the two carbonates which does not decompose when heated.
In arc welding, eyes need to be protected against the tiny chips of metals and from the harmful radiation of... View Article
The number of planar atoms in SF6 are 5. This is because the structure of SF6 is octahedral. There are... View Article
From the given option, which structure exhibits tautomerism: R<sub>3</sub>CNO<sub>2</sub> RCH<sub>2</sub>NO<sub>2</sub> (CH<sub>3</sub>)<sub>3</sub>CNO (CH<sub>3</sub>)<sub>2</sub>NH From the given option ii. RCH<sub>2</sub>NO<sub>2</sub> exhibits tautomerism.
Being highly reactive elements, sodium and potassium are stored in kerosene. They are likely to catch fire easily even when... View Article
The modern periodic law states that the physical and chemical properties of elements are the periodic functions of their atomic... View Article
The coinage metals are gold, silver, and copper. These three are known as coinage metals because they were used in... View Article
Conservation of resources involves protecting valuable resources like minerals, wildlife, trees, water and others. Resource conservation also deals with careful... View Article
Reproduction is essential for living organisms in order to continue generation after generation. It maintains the variation present in a... View Article
Rivers refer to any natural stream of water that flows in a channel with defined banks. Lakes refer to any... View Article