General Facts

Question 1

What elements are added in a hydration reaction?

Answer 1

H₂O

Question 2

What elements are added in a hydrogenation reaction?

Answer 2

H

Question 3

What elements are added in a hydrogen halide reaction?

Answer 3

Hydrogen plus a halogen, eg. +HBr

Question 4

What elements are added in a halogenation reaction?

Answer 4

A halogen, eg. +Br₂

Question 5

What is made in a hydrogenation reaction?

Answer 5

An alkane from an alkene.

Question 6

What is made in a hydration reaction with an alkane?

Answer 6

An alcohol

Question 7

Haber process catalyst

Answer 7

Iron

Question 8

Haber process product

Answer 8

Ammonia

Question 9

Ostwald process catalyst

Answer 9

Platinum

Question 10

Ostwald process product

Answer 10

Nitric acid

Question 11

Cause of acid rain

Answer 11

Gases like CO₂ which form acids

Question 12

Metal carbonates + acid

Answer 12

Salt + H₂O + CO₂

Question 13

Metal oxides + acid

Answer 13

Salt + H₂O

Question 14

Which metals react directly with acids?

Answer 14

Group 1, Mg and Ca

Question 15

Alkali metal + acids

Answer 15

Salt + H₂O + H₂

Question 16

Non-metal oxide + water

Answer 16

Acid

Question 17

Examples of non-metal oxides

Answer 17

NO₂, CO₂ and SO₂

Question 18

Hydrochloric acid formula

Answer 18

HCl

Question 19

Sulphuric acid formula

Answer 19

H₂SO₄

Question 20

Nitric acid formula

Answer 20

HNO₃

Question 21

Ions in acids

Answer 21

H+

Question 22

Ions in alkalis

Answer 22

OH⁻

Question 23

What are the elements essential for plant growth?

Answer 23

N, P and K

Question 24

How do you convert to degrees Kelvin?

Answer 24

add 273

Question 25

How does the length of a hydrocarbon relate to solubility?

Answer 25

Shorter = more soluble

Question 26

What sort of particle is alpha (α) radiation?

Answer 26

A Helium-4 nucleus

Question 27

What sort of particle is beta (β) radiation?

Answer 27

An electron, ejected from the nucleus

Question 28

Charge on an alpha particle

Answer 28

+2

Question 29

Why is Cl smaller than Na?

Answer 29

Cl has a greater nuclear charge > attraction to the outer electrons is greater.

Question 30

Why is Li smaller than K?

Answer 30

Shielding/screening effect

Question 31

What is the first ionisation reaction of Sodium?

Answer 31

Na (g) > Na⁺(g) + e⁻

Question 32

What is the first ionisation of Oxygen?

Answer 32

O(g) > O⁺(g) + e⁻

Question 33

Why is the second ionisation energy greater than the first?

Answer 33

More p:e > more energy holding electrons