Consider the following reaction.
Cl₂ + H₂ → A
H₂ + Na → B
H₂ + CuO → C  + H₂O

A, B and C in the above mentioned reaction are respectively-

1. A= HCl; B= NaH₂; C= Cu₂O
2. A= HCl; B= NaH; C= Cu₂O
3. A= No reaction; B= NaH; C= Cu
4. A= HCl; B= NaH; C= Cu

Tritium, a radioactive isotope of hydrogen, emits which of the following particles?

1. Gamma $\left(\gamma \right)$

2. Neutron (n)

3. Beta $\left({\beta }^{-}\right)$

4. Alpha $\left(\alpha \right)$

Incorrect statement among the following options is:

True statement among the following options is/are:

The incorrect statement among the following options is:

1. K⁺ ions react with alkaline water and give K(OH)₃

2. KCl is a salt of strong acid and strong base.

3. Al(OH)₃ in alkaline condition gives [Al(OH)₄]^-

4. AlCl₃ is a salt of strong acid and weak base.

Hydrolysis and hydration are:

1. Different chemical process

2. Same chemical process

3. Can be used simultaneously

4. All of these

The reaction in which hydrogen peroxide acts as a reducing agent is/are-

1. ${\mathrm{Mn}}^{+2} \hspace{0.17em}+{\mathrm{H}}_2{\mathrm{O}}_2 \to {\mathrm{Mn}}^{+4} +\hspace{0.17em}2{\mathrm{OH}}^{-}$

2. $\mathrm{PbS} +4{\mathrm{H}}_2{\mathrm{O}}_2 \to {\mathrm{PbSO}}_4 +\hspace{0.17em}4{\mathrm{H}}_2\mathrm{O}$

3. ${\mathrm{I}}_2 + {\mathrm{H}}_2{\mathrm{O}}_2 + 2{\mathrm{OH}}^{-} \to 2{\mathrm{I}}^{-} +\hspace{0.17em}2{\mathrm{H}}_2\mathrm{O}\hspace{0.17em}+ {\mathrm{O}}_2$

4. All of the above

The following reaction is an example of :

\(2 \mathrm{MnO}_4^{-}+6 \mathrm{H}^{+}+5 \mathrm{H}_2 \mathrm{O}_2 \rightarrow 2 \mathrm{Mn}^{2+}+8 \mathrm{H}_2 \mathrm{O}+5 \mathrm{O}_2\)

1. Hydrolysis reaction

2. Redox reaction

3. Disproportionation reaction

4. None of the above

The reaction that is not an example of a hydrolysis reaction is-

1. $\mathrm{PbS}\left(\mathrm{s}\right) +{\mathrm{H}}_2{\mathrm{O}}_2\left(\mathrm{aq}\right) \to {\mathrm{PbSO}}_4\left(\mathrm{s}\right) + {\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)$

2. $\mathrm{CaO}\left(\mathrm{s}\right) + {\mathrm{H}}_2\mathrm{O}\left(\mathrm{g}\right) \to \mathrm{Ca}{\left(\mathrm{OH}\right)}_2 \left(\mathrm{aq}\right)$

3. ${\mathrm{AlCl}}_3\left(\mathrm{g}\right) + 3{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right) \to {\mathrm{Al}}_2{\mathrm{O}}_3\left(\mathrm{s}\right) + 6\mathrm{HCl}\left(\mathrm{aq}\right)$

4. ${\mathrm{Ca}}_3{\mathrm{N}}_2\left(\mathrm{s}\right) + 6{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right) \to 3\mathrm{Ca}{\left(\mathrm{OH}\right)}_2\left(\mathrm{aq}\right) + 2{\mathrm{NH}}_3\left(\mathrm{g}\right)$

Incorrect statement regarding structure of H₂O and H₂O₂ is:

1. In gaseous phase, water molecule has a bent form.

2. Bond angle of water is $109.0°$

3. Hydrogen peroxide has a non-planar structure.

4. The dihedral angle of H₂O₂ in gas phase is 111.5°