Reactions with Other Compounds

Q.

Which of the following reactions is not a combination reaction?

1. reaction of iodine with white phosphorus

2. reaction of iron with sulfur

3. addition of water to lime

4. addition of concentrated sulphuric acid to sugar.

Q. Match the following reactions with their names.
Reaction A:
$H_2+\mathrm{vegetable}\mathrm{oils}\stackrel{\mathrm{Ni}}{\to }\mathrm{edible}\mathrm{fats}$

Reaction B:
$H_2+\mathrm{CO}+\mathrm{olefins}\to \mathrm{aldehydes}$

Reaction C:
$N_2\left(g\right)+3H_2\left(g\right)\to 2{\mathrm{NH}}_3\left(g\right)$

1. Hydrogenation
2. Hydroformylation
3. Habers process

Q. Methane and water react in the presence of Ni catalyst and heat to produce

1. water gas
2. carbon dioxide gas
3. only hydrogen gas

Q. In which of the following reaction does hydrogen act as an oxidising agent?

1. $H_2+F_2\to$
2. $H_2+SiC{l}_4\to$
3. $Na+H_2\to$
4. $CuO+H_2\to$

Q. In which of the properties listed below, hydrogen does not show similarity with halogens?
$I.$ Nature of the oxide
$II.$ Electropositive character
$III.$ Combination with alkali metals
$IV.$ Atomicity

1. $I\text{and}II$
2. $III\text{and}IV$
3. $II\text{only}$
4. $I\text{and}III$

Q. Reaction A: $H_2\left(g\right)+F_2\left(g\right)\to 2\mathrm{HF}\left(g\right)$
Reaction B: $H_2\left(g\right)+I_2\left(g\right)\to 2\mathrm{HI}\left(g\right)$
Reaction C: $2H_2\left(g\right)+O_2\left(g\right)\to 2H_{2}O\left(l\right)$
Match the above reactions with the given options.

1. occurs in darkness
2. requires catalyst
3. highly exothermic

Q. Which of the following produces hydrolith with dihydrogen?

1. Mg
2. Al
3. Cu
4. Ca

Q. In which of the properties listed below, hydrogen does not show similarity with halogens?
$I.$ Nature of the oxide
$II.$ Electropositive character
$III.$ Combination with alkali metals
$IV.$ Atomicity

1. $I\text{and}II$
2. $III\text{and}IV$
3. $II\text{only}$
4. $I\text{and}III$

Q. Following are the processes that produce $H_2$ gas. Identify the other products.

1. Zinc ions
2. Caustic soda
3. Carbon monoxide
4. Carbon dioxide

Q. Reaction A: $H_2\left(g\right)+F_2\left(g\right)\to 2\mathrm{HF}\left(g\right)$
Reaction B: $H_2\left(g\right)+I_2\left(g\right)\to 2\mathrm{HI}\left(g\right)$
Reaction C: $2H_2\left(g\right)+O_2\left(g\right)\to 2H_{2}O\left(l\right)$
Match the above reactions with the given options.

1. occurs in darkness
2. requires catalyst
3. highly exothermic