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Recent questions tagged 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

asked Jan 18, 2016 by meena.p

1 answer

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

asked Mar 25, 2014 by balaji.thirumalai

1 answer

What is the volume strength of molar solution of hydrogen peroxide

asked Jan 27, 2014 by sreemathi.v

1 answer

$2NaOD$ is also known as

asked Jan 27, 2014 by sreemathi.v

1 answer

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

asked Jan 27, 2014 by sreemathi.v

1 answer

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

asked Jan 27, 2014 by sreemathi.v

1 answer

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

asked 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

asked 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

asked 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

asked 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

asked 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

asked Jan 24, 2014 by sreemathi.v

1 answer

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

asked Jan 24, 2014 by sreemathi.v

1 answer

The volume strength of ion $H_2O_2$ is

asked Jan 24, 2014 by sreemathi.v

1 answer

The wrong state in the below about $H_2O_2$ is

asked Jan 24, 2014 by sreemathi.v

1 answer

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

asked Jan 24, 2014 by sreemathi.v

1 answer

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

asked Jan 24, 2014 by sreemathi.v

1 answer

Polyphosphates are used as water softening agents because they

asked Jan 24, 2014 by sreemathi.v

1 answer

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

asked Jan 24, 2014 by sreemathi.v

1 answer

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

asked 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

asked 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

asked 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

asked 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

asked 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

asked Jan 24, 2014 by sreemathi.v

1 answer

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

asked Jan 24, 2014 by sreemathi.v

1 answer

Hydrolith a source of hydrogen is

asked Jan 24, 2014 by sreemathi.v

1 answer

The hydride gap is used for element of group?

asked Jan 24, 2014 by sreemathi.v

1 answer

Which element form Hydride?

asked Jan 24, 2014 by sreemathi.v

1 answer

Which is polymeric hydride?

asked Jan 24, 2014 by sreemathi.v

1 answer

The coordination no of Na is solid NaH is

asked 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?

asked Jan 24, 2014 by sreemathi.v

1 answer

Hyperol is an addition product of $H_2O_2$ with

asked 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

asked 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 $H_2O_2$?

asked Jan 24, 2014 by sreemathi.v

1 answer

Which of the following is not a true peroxide

asked Jan 24, 2014 by sreemathi.v

1 answer

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

asked Jan 24, 2014 by sreemathi.v

1 answer

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

asked Jan 24, 2014 by sreemathi.v

1 answer

The formula of pertitanic acid is

asked Jan 24, 2014 by sreemathi.v

1 answer

Which of the following statement is incorrect

asked Jan 24, 2014 by sreemathi.v

1 answer

In acidic solution $H_2O_2$ oxidises $Hg$ to

asked Jan 24, 2014 by sreemathi.v

1 answer

$H_2O_2$ oxidises $H_2S$ to

asked Jan 23, 2014 by sreemathi.v

1 answer

$PbS+H_2O_2\rightarrow H_2O$+________

asked Jan 23, 2014 by sreemathi.v

1 answer

When $H_2O_2$ reacts with chlorine the product obtained is

asked Jan 23, 2014 by sreemathi.v

1 answer

Decomposition of $H_2O_2$ is prevented by adding

asked Jan 23, 2014 by sreemathi.v

1 answer

$CO+H_2$ is known as

asked Jan 23, 2014 by sreemathi.v

1 answer

The volume of oxygen liberated at STP when 10ml of 15v-$H_2O_2$ decomposes

asked Jan 23, 2014 by sreemathi.v

1 answer

One ml of $H_2O_2$ solution gives 50ml of $O_2$ at NTP,so it is

asked Jan 23, 2014 by sreemathi.v

1 answer

The % of by weight of hydrogen $H_2O_2$ is

asked Jan 23, 2014 by sreemathi.v

1 answer

The approx concentration of $H_2O_2$ perhydrol is

asked Jan 23, 2014 by sreemathi.v

1 answer

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