Incorrect statement is

1. Hybridisation of oxygen for water in solid, liquid and gas phase is $s{p}^3$

2. Density of water is more than the density of ice

3. Boiling point of HF> Boiling point of $H_{2}O,$ as electronegativity of F>O

4. All of thhe above

Which of the following reaction involve in Bosch's process used for the manufacturing of $H_2$?

1. $C{H}_{3}OH\underset{catalyst}{\overset{400°C}{\to }} CO+2H_2$

2. $H_2+CO+H_{2}O\to C{O}_2+2H_2$

3. $3Fe+4H_{2}O\stackrel{}{\to F{e}_3 O_4 + }4H_2$

4. $C_2{H}_6\stackrel{Cracking}{\to }2C+3H_2$

Which of the following hydride does not give $H_2$ at anode on electrolysis in molten state?

1. $Sr{H}_2$

2. $Ba{H}_2$

3. $Mg{H}_2$

4. $Ca{H}_2$

$H_2{O}_2$ restores the colour of old lead paintings, blackend by the action of$H_{2}S$ gas, by

1. Oxidising $PbS{O}_3 to PbS{O}_4$

2. Converting $PbC{O}_3 to Pb$

3. By oxidising $PbS to PbS{O}_4$

4. Converting $Pb{O}_2 to Pb$

$C_{\left(s\right)}+H_2{O}_{\left(g\right)}\stackrel{1270K}{\to }\underbrace{C{O}_{\left(g\right)}+H_{2\left(g\right)}}$
$coal Syn gas$

The above process is known as

1. Coal gasification

2. Coal digestion

3. Syngas gasification

4. Water gasification 

Electrolysis of molten hydrolith produces

1. $H_2 gas at cathode$

2. $H_2 gas at anode$

3. $N_2 gas at cathode$

4. $N_2 gas at anode$

An element having valence shell electronic configuration $3d^{6}4s^2$ when reacts with hydrogen forms

1. Saline hydrides

2. Electron rich hydrides

3. Interstitial hydrides

4. No hydrides

Ionic hydrides on treatment with water evolve

1. $H_2$

2. $H_2{O}_2$

3. $H_{2}O$

4. $O_2$

Which of the following property of hydrogen does not resemble to alkali metals?

1. Unipositive ion

2. Formula of oxides

3. Ionization energy

4. Formula of sulphides

Which of the following is correct?

1. Atomic hydrogen is more reactive than nascent hydrogen.

2. Metal hydride are powerful reducing agents

3. Group l hydride are more reactive than group-ll hydrides

4. All of the above