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Recent questions and answers in Hydrogen

Questions >> JEEMAIN and NEET >> Chemistry >> Hydrogen

Isohydric solutions are the solutions having the same concentration of hydronium ion. If $0.2 \;M \;HA$ (monobasic acid) solution is isohydric with $4×10^{-4}\; M\; HCl$ solution, then $K_b$ for $A¯$ is

answered Jan 18, 2016 by meena.p

1 answer

Why lithium stearateis used for lubricating bearings in machines?

answered Jan 21, 2015 by sharmaaparna1

1 answer

Why is a barium salt like barium sulphate used in diagnosing ulcers? answer by tomorrow as i have exam on thurshday

answered Jan 21, 2015 by sharmaaparna1

1 answer

how bond length is same for both hydrogen and deuterium molecules?

answered Jan 21, 2015 by sharmaaparna1

1 answer

The hydration enthalpy of lithium is less negative or more negative as compared to other elements in its group?

answered Jan 21, 2015 by sharmaaparna1

1 answer

$2K_3Fe(CN)_6+2KOH\rightarrow x+y+z$,$H_2O_2+z\rightarrow y+w$.The $y$ is

answered Mar 25, 2014 by balaji.thirumalai

1 answer

What is the volume strength of molar solution of hydrogen peroxide

answered Jan 27, 2014 by sreemathi.v

1 answer

$2NaOD$ is also known as

answered Jan 27, 2014 by sreemathi.v

1 answer

$2Na+2D_2O\rightarrow x+D_2$.The $x$ is

answered Jan 27, 2014 by sreemathi.v

1 answer

$2D_2O\quad\underrightarrow{\text{Electrolysis}}\quad A+B$. $A+B$ are

answered Jan 27, 2014 by sreemathi.v

1 answer

Reducing nature of $H_2O_2:H_2O_2\rightarrow x+y+z$. $z$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

Reducing nature of $H_2O_2:H_2O_2\rightarrow x+y+z$.The $x$ and $y$ are

answered Jan 24, 2014 by sreemathi.v

1 answer

$2K_3Fe(CN)_6+2KOH\rightarrow x+y+z$,$H_2O_2+z\rightarrow y+w$.The $w$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$2K_3Fe(CN)_6+2KOH\rightarrow x+y+z$,$H_2O_2+z\rightarrow y+w$.The $z$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$2K_3Fe(CN)_6+2KOH\rightarrow x+y+z$,$H_2O_2+z\rightarrow y+w$.The $y$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$2K_3Fe(CN)_6+2KOH\rightarrow x+y+z$,$H_2O_2+z\rightarrow y+w$. The $x$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$KIO_4$ is reduced to $KIO_4+H_2O_2\rightarrow $____________

answered Jan 24, 2014 by sreemathi.v

1 answer

The volume strength of ion $H_2O_2$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

The wrong state in the below about $H_2O_2$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

Which one of the following reactions does not form gaseous product?

answered Jan 24, 2014 by sreemathi.v

1 answer

In alkaline medium $H_2O_2$ reacts with $Fe^{3+}$ and $Mn^{2+}$ separately to give

answered Jan 24, 2014 by sreemathi.v

1 answer

Polyphosphates are used as water softening agents because they

answered Jan 24, 2014 by sreemathi.v

1 answer

$4LiH+AlCl_3\quad\underrightarrow{\text{dry ether}}\quad x+y$. $y$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$4LiH+AlCl_3\quad\underrightarrow{\text{dry ether}}\quad x+y$. $x$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$2Na+H_2\quad\underrightarrow{heat}\quad 2NaH$,$Ca+H_2\rightarrow CaH_2$,$2Li+H_2\rightarrow x$.Then $x$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$Cu+H_2\quad\underrightarrow {heat}\quad Cu+x$,$ZnO+y\quad\underrightarrow{heat} \quad Zn+H_2O$,$2AgCl+H_2\rightarrow z+w$.The $w$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$Cu+H_2\quad\underrightarrow {heat}\quad Cu+x$, $ZnO+y\quad\underrightarrow{heat} \quad Zn+H_2O$, $2AgCl+H_2\rightarrow z+w$. The $z$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$Cu+H_2\quad\underrightarrow {heat}\quad Cu+x$,$ZnO+y\quad\underrightarrow{heat} \quad Zn+H_2O$,$2AgCl+H_2\rightarrow z+w$.The $y$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

$Cu+H_2\quad\underrightarrow {heat}\quad Cu+x$,$ZnO+y\quad\underrightarrow{heat} \quad Zn+H_2O$,$2AgCl+H_2\rightarrow z+w$.The $x$ is

answered Jan 24, 2014 by sreemathi.v

1 answer

Decomposition of $NaCl\rightarrow x+y$.They are

answered Jan 24, 2014 by sreemathi.v

1 answer

Hydrolith a source of hydrogen is

answered Jan 24, 2014 by sreemathi.v

1 answer

The hydride gap is used for element of group?

answered Jan 24, 2014 by sreemathi.v

1 answer

Which element form Hydride?

answered Jan 24, 2014 by sreemathi.v

1 answer

Which is polymeric hydride?

answered Jan 24, 2014 by sreemathi.v

1 answer

The coordination no of Na is solid NaH is

answered Jan 24, 2014 by sreemathi.v

1 answer

Hydrogen reacts with different elements to from variety of hydrides.$1^{st}$ group and $2^{nd}$ group elements form white,crystalline ionic hydride their stability depends upon ionic characters and lattic energy covalent hydride is common type of hydrides transition metals form interstitial hydrides.Which ionic hydride is stable up to its mp?

answered Jan 24, 2014 by sreemathi.v

1 answer

Hyperol is an addition product of $H_2O_2$ with

answered Jan 24, 2014 by sreemathi.v

1 answer

The gas liberated when alkaline formaldehyde solution is reacted with hydrogen peroxide in the presence of pyragahol is

answered Jan 24, 2014 by sreemathi.v

1 answer

What is the oxidation state of Fe in the product formed when acidified pottasium ferrocyanide treated with $H_2O_2$?

answered Jan 24, 2014 by sreemathi.v

1 answer

Which of the following is not a true peroxide

answered Jan 24, 2014 by sreemathi.v

1 answer

$H_2O_2$ is obtained by action of dil $H_2SO_4$ on

answered Jan 24, 2014 by sreemathi.v

1 answer

$H_2O_2$ reacts with acidified $K_2Cr_2O_7$ the product formed is

answered Jan 24, 2014 by sreemathi.v

1 answer

The formula of pertitanic acid is

answered Jan 24, 2014 by sreemathi.v

1 answer

Which of the following statement is incorrect

answered Jan 24, 2014 by sreemathi.v

1 answer

In acidic solution $H_2O_2$ oxidises $Hg$ to

answered Jan 24, 2014 by sreemathi.v

1 answer

$H_2O_2$ oxidises $H_2S$ to

answered Jan 24, 2014 by sreemathi.v

1 answer

$PbS+H_2O_2\rightarrow H_2O$+________

answered Jan 23, 2014 by sreemathi.v

1 answer

When $H_2O_2$ reacts with chlorine the product obtained is

answered Jan 23, 2014 by sreemathi.v

1 answer

Decomposition of $H_2O_2$ is prevented by adding

answered Jan 23, 2014 by sreemathi.v

1 answer

$CO+H_2$ is known as

answered Jan 23, 2014 by sreemathi.v

1 answer

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