Recent questions tagged hydrogen

Weight of $H_2O_2$ present in 560ml of 20vol $H_2O_2$ solution is approx

asked Jan 23, 2014 by sreemathi.v

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The number of electrons involved in the manufacture of 1mole of $H_2O_2$ from 50% of $H_2SO_4$

asked Jan 23, 2014 by sreemathi.v

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The volume strength of $1N-H_2O_2$ solution is

asked Jan 23, 2014 by sreemathi.v

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50ml of certain sample of $H_2O_2$ gives 1200ml of $O_2$ at STP.The volume strength of $H_2O_2$ is

asked Jan 23, 2014 by sreemathi.v

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Strength of $2N$ $H_2O_2$ solution is approx

asked Jan 23, 2014 by sreemathi.v

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The volume of oxygen liberated at STP when 100ml of 15 volume $H_2O_2$ decomposes

asked Jan 23, 2014 by sreemathi.v

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The volume strength of $3N-H_2O_2$ solution is

asked Jan 23, 2014 by sreemathi.v

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In $10^5$g of a sample of water contained 16.2g of $Ca(HCO_3)_2$ then the hardness is

asked Jan 23, 2014 by sreemathi.v

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If 1000g of a water sample contains 10g of $CaCO_3$ then the hardness of that water sample is

asked Jan 23, 2014 by sreemathi.v

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The weight of one mole of heavy water is

asked Jan 23, 2014 by sreemathi.v

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A sample of hard water contains 68ppm of $CaSO_4$,then the hardness of the same sample of water is

asked Jan 23, 2014 by sreemathi.v

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The percentage of deuterium in heavy water

asked Jan 23, 2014 by sreemathi.v

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In $H_2O_2$ molecule the $O-O$ bond length is

asked Jan 23, 2014 by sreemathi.v

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Hyperol is a addition product of $H_2O_2$ with

asked Jan 23, 2014 by sreemathi.v

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Which of the following is reduced by $H_2O_2$ in acid medium

asked Jan 23, 2014 by sreemathi.v

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Which of the following is linear molecule

asked Jan 23, 2014 by sreemathi.v

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An aqueous solution of $H_2O_2$ is

asked Jan 23, 2014 by sreemathi.v

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A reaction of $H_2O_2$ with urea is example of

asked Jan 23, 2014 by sreemathi.v

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At a pressure 68mm.$H_2O_2$ boils at temperture

asked Jan 23, 2014 by sreemathi.v

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$H_2O_2+H_2O\rightarrow H_3O^-+HO_2^-$ the reaction indicates

asked Jan 23, 2014 by sreemathi.v

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Which of the following is oxidized by $H_2O_2$ in the alkaline medium

asked Jan 23, 2014 by sreemathi.v

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$H_2$ gas is liberated when $H_2O_2$ reacts with

asked Jan 23, 2014 by sreemathi.v

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$O_2^{2-}$ is the symbol of _________ ion.

asked Jan 23, 2014 by sreemathi.v

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The O-O bond is not present in

asked Jan 23, 2014 by sreemathi.v

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$H_2O_2$ forms prismatic crystals at

asked Jan 23, 2014 by sreemathi.v

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$H_2O_2$ reduces $K_3[Fe(CN)_6]$ in

asked Jan 23, 2014 by sreemathi.v

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$H_2O_2\rightarrow 2H^++O_2+2e^-$.$E^{\large\circ}=-0.68v$.The given equation represents the following nature of $H_2O_2$

asked Jan 23, 2014 by sreemathi.v

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Hard water is passed through an ionic exchange resin containing -$SO_3H$ group.The out coming water is free from the following ions.

asked Jan 23, 2014 by sreemathi.v

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Exhausted permit does not contain __________ ion.

asked Jan 23, 2014 by sreemathi.v

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Which of the following substance is not present in clear hard water

asked Jan 23, 2014 by sreemathi.v

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Pure water can be obtained from sea water by

asked Jan 23, 2014 by sreemathi.v

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Permanent hardness of water cannot be completely removed by

asked Jan 23, 2014 by sreemathi.v

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During hydrogenation of oil the catalyst commonly used is

asked Jan 22, 2014 by sreemathi.v

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Among the hydrides given below which are reasonably good acids.

asked Jan 22, 2014 by sreemathi.v

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The process of adsorption of hydrogen on palladium is known as

asked Jan 22, 2014 by sreemathi.v

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Metal hydride on treatment with water gives:-

asked Jan 22, 2014 by sreemathi.v

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The metal which gives hydrogen on treatment with acid as well as sodium hydroxide is

asked Jan 22, 2014 by sreemathi.v

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The metal that can't displace hydrogen from dil HCl is

asked Jan 22, 2014 by sreemathi.v

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Which isotope of hydrogen is/are radioactive in nature?

asked Jan 22, 2014 by sreemathi.v

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The bond length is more in

asked Jan 22, 2014 by sreemathi.v

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The electronic configuration is $1s^1$ for

asked Jan 22, 2014 by sreemathi.v

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$\large\frac{n}{p}$ ratio of $1^{\Large H^1}$ is

asked Jan 22, 2014 by sreemathi.v

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The radioactive isotope of hydrogen is

asked Jan 22, 2014 by sreemathi.v

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The number of isotopes of hydrogen are

asked Jan 22, 2014 by sreemathi.v

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Ratio of the Bohr radius of protium ,deuterium and tritium atom is

asked Jan 22, 2014 by sreemathi.v

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Neutron is not present in the nucleus of

asked Jan 22, 2014 by sreemathi.v

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Tritium emits

asked Jan 22, 2014 by sreemathi.v

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Electronic configuration of Deuterium is

asked Jan 22, 2014 by sreemathi.v

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Which of the following gas is lightest

asked Jan 22, 2014 by sreemathi.v

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The name hydrogen was proposed by

asked Jan 22, 2014 by sreemathi.v

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