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Integers

Find the odd one out of the four options given below:
(a) (–3, –6) (b) (+1, –10) (c) (–2, –7) (d) (–4, –9)

Integers

Find the odd one out* of the four options in the following:
(a) (–2, 24) (b) (–3, 10) (c) (–4, 12) (d) (–6, 8)

Integers

State whether the statements are True or False.

(– 80) ÷ (4) is not same as 80 ÷ (–4)

Probability – Conditional Probability

Two cards are drawn from a deck of 52 cards. Calculate the probability that both cards are kings, given that one of the cards drawn is a king.

Integers

State whether the statements are True or False.

(–5) × (–7) is same as (–7) × (–5)

Chemical Kinetics – Order of Reaction

The decomposition of hydrogen peroxide is a first-order reaction with a rate constant of 0.693 min^-1. Calculate the time required for the concentration of hydrogen peroxide to drop to half of its initial value.

Coordination Compounds – Nomenclature

Name the following coordination compounds:

1. K3[Fe(CN)6]
2. [Co(NH3)5Cl]Cl2
3. [Pt(NH3)4]Cl2

Integers

75 ÷ _______ = – 75

Integers

(– 25) × 30 = – 30 × _______.

Surface Chemistry – Adsorption Isotherms

Explain the difference between physisorption and chemisorption. Draw and interpret the Langmuir adsorption isotherm.